How To Use Sperm In A Sentence

We've moved from imagining a little homunculus lurking in the sperm to one hiding in the genome.
Up to this point Ishmael has told us a good deal about the great sperm whale.
A delectable path, for example, runs up behind the cemetery, bordered by butterfly orchids and lithospermum and aristolochia and other plants worthy of better names; it winds aloft, under shady chestnuts, with views on either side. Alone
[12] The spermatozooids of certain plants can be strongly attracted towards a pipette which is filled with malic acid -- crowding around and into it with avidity. Darwin, and After Darwin (Vol. 1 and 3, of 3) An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions
The percentages of aneuploid bone marrow leukocytes were higher than those of aneuploid sperm for the two upper THH dose groups and for the positive control group.

Handa and Autar Mattoo, a research plant physiologist with the U.S. Department of Agriculture's Agricultural Research Service and collaborator in the research, had shown earlier that polyamines such as spermidine and spermine enhance nutritional and processing quality of tomato fruits. RedOrbit News - Technology
Clonal progeny may be produced by stolons, runners, rhizomes, tubers, buds on bulbs, corms and roots, layering of stems, and agamospermous seed.
The testicles are glands that produce sperm and the hormone testosterone.
The microbicides are also effective as a form of contraception, because they act as both a spermicide and a barrier preventing fertilisation.
While hibernation during the winter is found in a few arctic mammals such as the Arctic ground squirrel (Spermophilus parryii), most homeothermic animals are active throughout the year. General characteristics of arctic species and their adaptations in the context of changes in climate and ultraviolet-B radiation levels
Curiously, while sperm whales unquestionably have teeth, recent molecular data and a reanalysis of their anatomy has suggested that they may be highly derived mysticetes.
Dominguez I, Fornes MW, Burgos MH, Mayorga LS (1996) Acrosome content release in streptolysin O permeabilized mouse spermatozoa. PLoS ONE Alerts: New Articles
Uranium molecules in the blood can travel to every part of the body, including the areas where sperm and eggs are.
In all the Archegoniate (including the majority of gymnosperms) fertilization and the first critical phases of embryogeny occur within the shelter provided by the archegonium and the adjacent gametophytic tissue.
Some ziphiids are pursued by whalers for their oil and spermaceti.
Constitutional chromosome abnormalities were identified in 14.3 per cent of azoospermic and 6.5 per cent of oligozoospermic men, with an overall rate of 10.2 per cent.
Endosperm starch content of sweet maize was lower than normal corn notably.
The idea that cycads stem from Carboniferous so-called pteridosperms (‘seed ferns’ or seed plants with fern-like foliage) has long been popular with paleobotanists.
Interspersed among the spermatozoa are what appear to be the cytoplasmic contents of degraded cells.
Furthermore, condoms lubricated with spermicides are no more effective than other lubricated condoms in protecting against the transmission of HIV and other STDs.
The team had already zeroed in on the Jhdm2a enzyme, showing in a 2007 Nature publication that the Jhdm2a gene is highly expressed in mouse testes and plays an important role in spermiogenesis, the final step in the production of a functional sperm cell. Medlogs - Recent stories
The transgenic array produces a functional GFP fusion protein that is expressed in bodywall, vulval, uterine, spermathecal, and anal sphincter / depressor muscle cells.
Living alongside the largest sharks ever known, the raptorial—meaning actively hunting—whale measured about 60 feet (18 meters) in length, about as big as a modern male sperm whale.
Most placental mammals have teeth that are capped with enamel, but there are also lineages without teeth, such as anteaters, pangolins and baleen whales, or with enamelless teeth, such as armadillos, sloths, aardvarks and pygmy and sperm whales. ScienceBlogs Channel : Life Science
Angiospermae by Paul Hermann in 1690, as the name of that one of his primary divisions of the plant kingdom, which included flowering plants possessing seeds enclosed in capsules, in contradistinction to his Gymnospermae, or flowering plants with achenial or schizo-carpic fruits -- the whole fruit or each of its pieces being here regarded as Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
We obtained live and culturable cells from both the caput epididymis and the spermatic cords but not from the cauda epididymis or the testes. PLoS ONE Alerts: New Articles
Beigel, in Virchow's Archives, mentions a cryptorchid of twenty-two who had nocturnal emissions containing spermatozoa and who indulged in sexual congress. Anomalies and Curiosities of Medicine
ICSI (intracytoplasmic sperm injection) - injection of sperm in the cytoplasm when the count of sperms is very low, oligozoospermia. Recently Uploaded Slideshows
In the majority of studies comparing the effects of seminal plasma and diluent composition on post-storage motility of stallion spermatozoa, no fertility trials were conducted.
But angiosperm life forms and niches are so varied, with much of their organismic machinery being cells where size matters, that a vast spectrum of cell-size has been favoured by selection.
The role of the Sertoli cells is to nourish the developing and maturing germinal cells which are eventually released into the lumen of the tubule as spermatozoa.
Within this ecoregion, the islets between the lava-covered terrain in Timanfaya National Park support 3 species of plants which are endemic to Lanzarote: Echium pitardii, Odontospermum intermedium, and Polycarpea robusta. Mediterranean acacia-argania dry woodlands and succulent thickets
The images of endosperm without an aleurone layer were prepared by tracing cell contours on a transparent sheet from the microphotograph, and were digitized by a scanner and transformed into a binary image.
The men were initially found to have no sperm in their ejaculate, a condition known as azoospermia, a finding that occurs more than 70 percent of cancer survivors after bone marrow transplantation. NewsBlaze.com Current News - Top Stories
Spermatogonia are the mitotic germ cells of the testis from which sperm arise by spermatogenesis.
In this case, the female never mated, proving that snakes and certain other animals can either give true virgin - dadless - birth, or may store sperm for long periods. Msnbc.com: Top msnbc.com headlines
Angiosperms are usually tiny, growing in isolated clusters and nowhere forming the bulk of the cover.
the balloons look like lil sperm guys on the "schmear" cake. Recycled Wrecks
Chronic inflammation reaction and foreign body reaction in the spermatic funiculus was observed in 100% of the animals.
This theory says that women are orgasmic so that they're satiated after orgasm and they'll be so tired after orgasm with intercourse that they'll keep lying down on their backs so that the sperm don't leak out.
Aleurone layer The outermost protein rich layer of the endosperm grass fruits ( e . g . cereal grains ).
As it turned out, his sperm count appeared normal but his wife continued to fail to conceive.
They performed in vitro fertilization (IVF) experiments with mouse sperm and ova, both within the clinostat and at regular gravity (1G), and determine that microgravity had minimal effects on fertilization. Medgadget
Pericentric inversion of chromosome 9 was seen in one azoospermic patient.
In the majority of the dogs in the field study, aspermia or azoospermia occurred.
Early angiosperm fruits were apocarpous, with several free carpels.
The endosperm cap (the testa included) was placed on the needle and was pierced by moving the needle down into a polyvinyl chloride block with a conic hole with a minimum diameter of 0.7 mm.
MORRONE: It ` s still in a fluid state, but these two molecules called spermine and cadaverine, cadaverine is what ` s used to train cadaver dogs. CNN Transcript Sep 10, 2007
This is not surprising because females were virgins and may have been predisposed to accept any mate because they required sperm.
After a sperm and egg meet, the resulting cell is known as a zygote. Yahoo! News: Business - Opinion
Tobacco seeds accumulate oil and protein in the embryo, cellular endosperm and inner layer of the seed coat.
It was then that spermaceti, which is made from the oil of the sperm whale came on the scene.
Dolphins and porpoises are examples of odontocetes, as are belugas, narwhals, killer whales, sperm whales, and beaked whales.
It's your job to make sure the sperm hits the green icons and avoids the reds.
Another method of birth control must be used for a few months until two consecutive tests show there are no sperm left.
Miranda : Honey, let's go to the sperm bank to search for a suitable sperm donor.
Expression was more obvious in aleurone cells, the endosperm cells lining the maternal seed coat.
A man, by contrast, is seeking a mate who will use his sperm and his money to produce babies.
It is the males that invest most effort into extravagant sexual display that experience this spermatogenic 'burn-out' at an earlier age," the researchers, led by biologist Brian Preston, wrote in this week's Ecology Letters journal - according to Wired, since I don't have a subscription. Seattle Post-Intelligencer: Local News
Francis Crick, codiscoverer of the structure of DNA, proposes direct panspermia: dispersal of single-celled organisms throughout the Galaxy.
The fleet's five vessels plan to catch 260 whales - 150 minke, 50 Bryde's, 50 sei and 10 sperm whales as part of a scientific research project.
The flexible polyamine spermine displays a high presence in the minor groove but does not form long-lived and structurally defined complexes.
Taxonomists can now say that the ferns' closest cousins are the seed plants - angiosperms (flowering plants) and gymnosperms (such as conifers).
Specially prepared micropipettes are then used to aspirate sperm from these tubules.
The facts concerning cryptorchidism, that is to say, failure of the descent of the testes in Mammals, seem to show that the hormone of the testis is not derived from semen or spermatogenesis, for in the testes which have remained in the abdomen there is no spermatogenesis, while the interstitial cells are present, and the animals in some cases exhibit normal or even excessive sexual instinct, and all the male characteristics are well marked. Hormones and Heredity
It is these cells which will later give rise, by further cell division, to eggs or sperm.
Formerly hunters of Pacific sperm whale, these whaling fleets came to Arctic regions following the bowhead whale migration to the Beaufort Sea for summer feeding.
But most birds and Sphenodon lack intromittent organs and transfer sperm by cloacal apposition.
They transport the spermatophores with a copulatory organ, called the ligula, located on the tip of one of their arms.
He cites a condition known as ‘aspermia’, as in lack of sperm.
In person, however, they have matured about as much as a sperm in a deep frozen sperm bank.
Here, the models predict that males should transfer the least sperm when there are no other competitors and the most sperm when only one other male is likely to inseminate the female.
Blood products, sera, sperm, oocytes and embryos are not included.
This is a diverse community of ferns, sedges, grasses, angiosperms and mosses and is dominated by B. palmiforme, crowberry Empetrum rumbrum, grasses and sedges. Gough Island Wildlife Reserve, United Kingdom
The resultant obstructive azoospermia can be treated quite successfully with a combination of sperm aspiration and ICSI.
The organic compound spermidine is a polyamine and is found in all living cells. RedOrbit News - Technology
The macrospore or embryo-sac produces a prothallium called the endosperm, in which archegonia or corpuscula are formed; and lastly, in typical dicotyledons it is only lately that any trace of a prothallium from the microspore or pollen cell has been discovered, while the macrospore or embryo-sac produces only two or three prothallium cells, known as antipodal cells, and two or three oospheres, known as germinal vesicles. Scientific American Supplement, No. 531, March 6, 1886
In brief sperm is obtained from the males by gently squeezing their testis with a pair of forceps.
Is oligospermia (low sperm count) curable by homeopathy treatment? en Español Yahoo! Answers: Latest Questions
Once hCG is initiated, it takes at least 70-80 days for germ cells to reach the spermatozoal stage. MLB Rumors at MLBnewsonline.com
This fine white powder called “flour” is, in fact, the ground endosperm, which is about 67 percent carbohydrate, 9 percent to 14 percent protein, and the rest water The amount of protein in flour can vary according to what kind of wheat is used. THE TANTE MARIE’S COOKING SCHOOL COOKBOOK
The fluid must be pre-seminal fluid that males secrete for lubrication and to aide in sperm delivery. Yahoo! Answers: Latest Questions
This makes the sperm, like all rapidly developing cells, especially vulnerable to damage from chemicals or radiation.
Starch granule of powder endosperm arranged loosely and showed a polyhedron shape.
At this moment primitive sexual gland former base excretive spermary ketone is right become divided of male reproduction organ forms a move decisive action.
-- Seminal emissions during sleep, usually accompanied by erotic dreams, are known as nocturnal pollutions or emissions, and are often called spermatorrhoea, though there is some disagreement respecting the use of the latter term. Plain facts for old and young : embracing the natural history and hygiene of organic life.
To test this theory - called panspermia - Ruvkun and his colleagues have started a project called the Search for Extraterrestrial Genomes (SETG, as a play on SETI). Space News From SpaceDaily.Com
Hennig is now doing research into how DNA works in the cell after connection of sperms and eggs.
Outline of gymnospermous medicinal plants in China.
It might also have a place in other assisted reproductive techniques such as oocyte transfer and gamete intrafallopian transfer (combining eggs and sperm outside the body, then placing them in the fallopian tubes to achieve fertilization), he said. TheHorse.com News
The association of AQP11 with the residual cytoplasm of elongated spermatids and the distal tail of spermatozoa supports the hypothesis of more than just a role in conferring water permeability and also in the turnover and recycling of surplus cellular components made redundant during spermiogenesis and spermiation. Naturejobs - All Jobs
Sperm morphology - its size and shape - is a significant indicator of fertility levels.
In the reproductive tract, NGF could participate in fertilization mechanisms by cytoskeletal mediated activation of spermatozoa locomotion much in the same way as in neurite outgrowth, or by favoring egg implantation, via inhibition of rejection through the immune system. Nobel Lecture The Nerve Growth Factor: Thirty-Five Years Later
The organic compound spermidine is a polyamine and is found in all living cells. RedOrbit News - Technology
Men experiencing psychological distress tend to produce less ejaculate with fewer sperm and lower motility.
They have succeeded in developing embryos from the eggs of the sea urchin, of the nereis, and of mollusks, without spermatozoa. Northern Nut Growers Association, Report of the Proceedings at the Third Annual Meeting Lancaster, Pennsylvania, December 18 and 19, 1912
A theory known as panspermia suggests that organic precursors to life arrived to Earth with meteors.
Francis Crick was one of the early proponents for the panspermia hypothesis, that is, that life actually originated somewhere else and came to earth.
Moreover, testicular histology of F1 and backcross males showed in some cases a breakdown in spermatogenesis. The Rise of Human Chromosome 2: Beyond the Deme - The Panda's Thumb
At the second stage, when the sperm cell reaches the vitelline envelope, other recognition molecules allow bindin of the correct species to attach the sperm tightly to the egg.
Almost all of the seeds have popped along their long axis due to the swelling of the starchy perisperm during heating.
The male sperm fertilizes the female egg.
A pure tallow candle with a small wick may then be moulded, which is said to equal sperm candles. Resources of the Southern Fields and Forests, Medical, Economical, and Agricultural. Being also a Medical Botany of the Confederate States; with Practical Information on the Useful Properties of the Trees, Plants, and Shrubs
Leeuwenhoek made groundbreaking observations in andrology by describing spermatozoa.
AIM: To discuss the preventive function of zinc on human sperms from being injured by sodium nitroprusside (SNP), an external NO donor.
The colleter, an epidermal secretory structure, can be found mainly on the adaxial side of stipules and/or sepals among 60 families of the angiosperms.
For example, it would be interesting to determine if smegma, a glandular discharge that collects under the foreskin and lubricates the glans, has spermicidal properties.
Methods PCR method was used to detect micro-deletion in AZF gene in 62 oligospermatism and azoospermatism patients and 20 normal male controls.
Seminal majority, dinky, seed coat has fossa opening , endosperm flesh is qualitative.
From recent developments in molecular biology, it is becoming clear that cationic chemical species, such as histone octamer, protamine, spermidine, etc. play an essential role in the packing of long DNA chains into the nucleus.
The researchers artificially fertilized mouse eggs with sperm that had been stored inside a three-dimensional clinostat, a machine that mimics weightlessness by rotating objects in such a way that the effects of gravity are spread in every direction. Skirmisher
Maybe even higher efficiencies would have been obtained using spermine instead of spermidine.
For introduction of spermatid mitochondria, in vitro fertilization was carried out by microinjection of spermatids into unfertilized oocytes as described previously.
Warm, dark, the maroon velvet seats remind me of the womb, and then there's the spermatic smell of popcorn.
Common tree species include Pterocymbium tinctorium, Pterospermum diversifolium, Hymenodictyon spp., and Garuga floribunda. Palawan rain forests
Testosterone is often linked with virility but treatment with the hormone can suppress the production of sperm by reducing levels of hormones called gonadotropins.
Then when the heterotypic division takes place and the number of chromosomes is halved, we shall have two spermatocytes with _N_-1 chromosomes from one of the first spermatocytes and one with _N_ and one with _N_-1 from the other. Hormones and Heredity
Male sperm cells contain virtually no cytoplasm, and are thus lacking in mitochondria.
Smoking can cause infertility and an early menopause in women, and sperm problems in men.
Conception occurs when a single sperm fuses with an egg.
The cause of male infertility according to the medical model of infertility is due to abnormal sperm parameters, azoospermia and antisperm antibodies.
Heck, if it takes place before karyogamy, I’m for it karyogamy is the unification of the nuclei of egg and sperm. No emergency contraception for rape victims, but plenty of Viagra for rapists
By contrast, nonyl-phenoxy polyethoxy ethanol, the spermicide in a popular vaginal contraceptive cream, produced obvious irritation. 7 Medicinals
Early experiments on mice have already indicated the possibility of turning stem cells into eggs or sperm which could then be used to help infertile couples.
Pratten, who now works as a journalist in Toronto, filed her lawsuit in 2008, seeking to have the Adoption Act declared unconstitutional because it discriminates against children who are born through "gamete" donors, which includes sperm and egg donors. Canada.com Top Stories
Popcorn pops because the pericarp is strong enough to hold in the steam created when the endosperm, which is 14.5 percent water, is heated — strong enough, that is, until the steam reaches 177 degrees C. and the pressure builds to 9.5 kilograms per square centimeter. Book Give-Away Contest: Week 3 winner, final week begins!
The first breakthrough in the development of insect cell culture was the report of maturation of testicular follicle cells to spermatocytes in a moth in an artificial medium.
At least 10 spermatocytes at the metaphase I stage were recorded per male.
In mice, the signal that facilitates sperm movement probably does not reside in the seminal fluid but is provided by the sperm themselves.
Sperm, as they age, they lose what's called their motility, they just don't move as quickly as they should. CNN Transcript Apr 30, 2002
After that he greased it with the fat of a bat or flittermouse, to see if it was not written with the sperm of a whale, which some call ambergris. Five books of the lives, heroic deeds and sayings of Gargantua and his son Pantagruel
Surgical sperm collection may be suitable for men who have no sperm at all in their semen.
Also, how often can one regional cryobank offer the same man's sperm before the lines get um, crossed, somewhere down the road? Sperm donor 150 reads in the paper that his children are looking for him.
Doctor believed that his low sperm count was the problem.
Foliar galls probably caused by mites also have been recognized on one gymnosperm species in the formation.
Longevity also rose steadily with the percentage of a man's sperm that were "motile", meaning they moved around normally, and the percentage of normally formed sperm. News24 Top Stories
To examine sperm transport in the female reproductive tract, males were mated with superovulated females.
Oocytes and sperm are haploid, with one set of chromosomes, whereas somatic cells are diploid, with two chromosomal sets.
And these were guys - there about four of them - who went from sperm bank to sperm bank donating or who went to a few sperm banks and also then in their own private lives had fathered many, many children.
SuppU Ad cap. b* Spei. lYNAMIA AN GIOSPERMI A; axillar. folitar, oppofitae -, dichotomae, paucifl* quap coniunAim magnam paniculam effomiant. Summa plantarum
There are many reasons for male infertility, including low sperm count, inactive or incompletely formed sperms and other factors that hamper fertilisation.
Further, among every 100 cases of aspermia - sperm shortage - between one to five men have severe infertility, Li said.
Abstract: Three published estimates of the frequency of polyploidy in angiosperms 30 to 35 percent, 47 percent, and 70 to 80 percent were tested by estimating the genome size of extinct woody angiosperms with the use of fossil guard cell size as a proxy for cellular DNA content. Junk DNA is still junk - The Panda's Thumb
Yet other preformationists believed that the sperm contained the embryo and some even claimed to be able to see a tiny human - a homunculus - in the head of each human sperm.
These findings demonstrate for the first time that ODA complexes vary in their composition along the respiratory ciliary axoneme and the axoneme of the sperm tail, and that this composition also differs between these two cell types.
These strikingly similar findings provide additional support for the claim that the total number of spermatozoa in eggs not only reflects the abundance of spermatozoa in the infundibulum, but also that within the entire oviduct.
It accumulates in the amyloplasta of the endosperm cells during grain filling.
It has three main parts: the germ, the endosperm and the bran.
The non-germinating blind-seeds carry a mass of fungus tissue in the endosperm and are the carry-over phase of the disease.
The known flora consists of 41 ferns and fern allies, 3 gymnosperms, 291 monocots, and 516 dicots.
Infection sometimes spreads to the epididymis (the tube that carries sperm from the testis), causing pain, fever, and, rarely, sterility. Dr. Andrew Lange: How to Get a Sexually Transmitted Disease Without Having Sex
Fructification: zoospores produced from the cell contents of the filaments; resting spores formed from the contents of particular cells after impregnation by ciliated spermatozoids produced in distinct antheridial cells. Scientific American Supplement, No. 384, May 12, 1883
And it gets worse, as we peek inside the private testing clinic where a mother gets the low-down on how to collect DNA samples from her child's two likeliest fathers by harvesting their sperm.
To them, the lab cowboy and his sperminator portended a dystopia of mass - produced boys.
Genes determine how we develop from the moment the sperm fuses with the egg.
The acrosome is the packet of enzymes in the sperm’s head that produces enzymes to facilitate penetration of the egg. A Baby at Last!
It was shown also that the same critical concentration of spermidine induces aggregation and catenation of DNA rings by topoisomerases.
Four women received hormonal treatment and insemination with the husband's sperm.
Clean diaphragms and the caps of spermicide applicators after each use.
The gingko is a species of gymnosperm known as a “living fossil,” because it is the only living species in its group. ACSI v. Stearns, aka Wendell Bird vs. UC - The Panda's Thumb
In other classes, as _entozoa_, there appear to be special provisions whereby the sperm-cells and germ-cells may be united; _i. e._, the male organs are developed and so disposed as to fecundate the ova of the same individual. The People's Common Sense Medical Adviser in Plain English or, Medicine Simplified, 54th ed., One Million, Six Hundred and Fifty Thousand
One of them is called spermine and one of them is called cadaverine. CNN Transcript Sep 10, 2007
Corals, like the majority of marine invertebrates can also reproduce sexually by releasing eggs and sperm.
Van Steirteghem at the Brussels Free University, involves removing an egg and directly injecting a single sperm into it using microscopic glass needles called pipettes. Isabel’s Bed
Males experience an advantage in sperm competition when cuckolding other males breeding later than themselves.
The 56-year-old Northamptonshire woman received fertility treatment using donor eggs and her husband's sperm.
Thus prolonged incubation with HC-056456 produces a phenocopy of the lack-of-hyperactivation phenotype of the CatSper null sperm. PLoS ONE Alerts: New Articles
The resulting critter, called a trophozoite, sports a spermlike tail that allows it to wiggle over to the lining of the intestinal tract, whereupon it attaches itself by suction cups and begins to replicate thousands of times over. Giardiasis: How To Battle Beaver Fever
Vegetation within the desert consists of a thin scrub of Anabasis brevifolia while the peripheral areas support a dwarf woodland dominated by saxaul bush (Haloxylon ammodendron) and the gymnosperm Ephedra przewalskii. Junggar Basin semi-desert
In cases where the husband is impotent but not sterile, the sperm could easily be his, in which case the test tube child would have the same genetic make-up as a naturally conceived child.
The advent in 1851 of Hofmeister's brilliant discovery of the changes proceeding in the embryo-sac of flowering plants, and his determination of the correct relationships of these with the Cryptogamia, fixed the true position of Gymnosperms as a class distinct from Dicotyledons, and the term Angiosperm then gradually came to be accepted as the suitable designation for the whole of the flowering plants other than Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
Cathine also stimulated the production of cAMP (cyclic adenosine monophosphate - a chemical messenger within cells) in uncapacitated sperm whilst inhibiting it in capacitated sperm.
The hypothesis was confirmed in experiments using phase-contrast microscopy, which showed the presence of individualized spermatids in the mutant testes.
When an ear of corn is broken in half, the tip half shows the smooth endosperm.
Men had been undermined and emasculated to such an extent in a woman-dominated world that they would soon be little more than ‘sperm donors’, the article claimed.
Furthermore , if males do mate with transsexual individuals, they deliver relatively few sperm to them.
You could use spermicide in addition to pulling out just in case he doesn't pull out in time (then it will hopefully kill any of the sperm that make it in).
I'm hanging beneath the boat doing a safety stop, eyes fixed on my dive computer, oblivious to the fact that, behind me, a huge albino sperm whale is flossing its teeth on the anchor line.
Today's terrestrial habitats are dominated by the angiosperms - flowering plants, one of whose key features is the possession of fruits of a wide range of forms and types.
Spermaceti was known, probably from classical times onwards, as a rare and precious unguent, "resolutive and mollifying," as M. Pomel, "chief druggist to the late French King Louis XIV," says in his treatise on drugs, translated into English in 1737. More Science From an Easy Chair
The enzyme is regulated by bicarbonate and involved in sperm maturation.
Dilated cardiomyopathy, a heart disease found in humans, has afflicted the pygmy sperm whale and the dwarf sperm whale.
Adult sperm whales average 15m in length, but can reach a maximum of 20m and a weight of 70 tonnes.
Endemism is particularly high in 33 angiosperm and six gymnosperm, and fern families, most of which are ancient or primitive with restricted relict distributions. Queensland tropical rain forests
The type of chromosomal aberrations detected in the azoospermic and oligozoospermic men are given in Table I.
Seeds consist of three parts with different genetic compositions: the embryo and endosperm of zygotic origin and the seed coat or testa derived from maternal tissues.
The test has more than 95 per cent accuracy whether sperm concentration is in the normal range, (above 20 million sperm per millileter), subfertile range (between 2 million and 20 million), or if the subject may be infertile (less than 2 million). The Times of India
It can also can lead to oligospermia, azoospermia, and asthenospermia (defects in sperm movement). ScienceBlogs Channel : Life Science
Japan, which uses a scientific loophole to claim its whaling is for scientific research, will this year kill hundreds of endangered Pacific minke, sei, Bryde's and sperm whales.
Aristotle; all those subsequently repeated by Lucretius and Ovid; all the experiments of the renowned Abbé Spallanzani -- all the alleged "fantastic assumptions" of M. Bonnet -- all the theories of "panspermism," by whomsoever advocated -- all the fortuitous aggregations of "_molecules organiques, _" as put forth by the French school of materialists -- all the Life: Its True Genesis
The female's sperm storage tubules are sausage-shaped and sperm lie at the bottom of the tube.
What body changes occur when the sperm whale dives?
The seminiferous tubules in the testes, which are the origin of the sperm cells, however, will be reduced in diameter and size.
There were far too many deformed sperm in the sample.
Bull's Head stringy fowls, with lower extremities like wooden legs, sticking up out of the dish; of its cannibalic boiled mutton, gushing horribly among its capers when carved; of its little dishes of pastry --- roofs of spermaceti ointment, erected over half an apple or four gooseberries. The Uncommercial Traveller
Davis claims that hermaphroditism in polar bears and alligators shows that PCBs and various man-made ‘environmental estrogens’ account for reduced human sperm counts and may threaten the future of the human race.
Forty percent of the sperm shipped from Mills' clinic is sent to women outside California.
Spermatocytes, the progenitors of spermatids, are biosynthetically active cells, producing all the components that will be needed in the mature spermatozoa.
Because we can now achieve a pregnancy with only one sperm, any semen sample that appears to have no sperm is centrifuged and examined carefully for sperm. A Baby at Last!
Females were dissected and the spermathecae removed.

How To Use Sperm In A Sentence

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