How To Use Sulcus In A Sentence
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It consists of a base, directly continuous with the base of the anterior horn, and a neck or slightly constricted portion, which is succeeded by an oval or fusiform area, termed the head, of which the apex approaches the posterolateral sulcus.
IX. Neurology. 3. The Spinal Cord or Medulla Spinalis
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The central sulcus of the insula runs in an upwards and backwards direction, almost parallel to the cerebral central sulcus that delimits the frontal lobe from the parietal lobe.
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II, figs. 1, 2, 3, 4), the antero-temporal sulcus (scissure parallele) so characteristic of the ape's brain, is as well, if not better developed than the fissure of Rolando, and is much more marked than the proper frontal sulci.
Note on the Resemblances and Differences in the Structure and the Development of the Brain in Man and Apes
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Directly opposite the incisura angularis of the lesser curvature the greater curvature presents a dilatation, which is the left extremity of the pyloric part; this dilatation is limited on the right by a slight groove, the sulcus intermedius, which is about 2.5 cm, from the duodenopyloric constriction.
XI. Splanchnology. 1F. The Stomach
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They identified three brain regions in which grey matter density was greatest in those with the most Facebook friends, but was not linked to the number of real-world friends they had: the superior temporal sulcus and the middle temporal gyrus, which have previously been associated with the ability to perceive social cues from facial expressions, and the entorhinal cortex, which is linked to memory for things like faces and names.
Facebook friend tally is associated with differences in brain structure
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On either side of the posterior median sulcus, and at a short distance from it, the posterior nerve roots are attached along a vertical furrow named the posterolateral sulcus.
IX. Neurology. 3. The Spinal Cord or Medulla Spinalis
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The posterior cingulate cortex and superior temporal sulcus were larger in people who identified themselves as having many characteristics associated with agreeableness.
SCIENCE NEWS
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As in, "The transverse occipital sulcus intersects the intraparietal sulcus near the level of the parieto-occipital fissure" and "The Sahara is in Afghanistan, I think." ...
Boing Boing
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Ventral valve with broad shallow sulcus bearing anteriorly a low and rounded median swelling; lateral slopes narrow, steeply inclined.
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Above the splenium of the corpus callosum, the cingulate sulcus turns abruptly upwards to reach the superior margin of the hemisphere.
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When smokers viewed the smoking scenes, there was greater activity in part of the brain called the intraparietal sulcus and other structures that play a role in perceiving and coordinating physical movements.
The Guardian World News
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The central sulcus of the insula runs upwards and backwards, dividing the insular cortex into a precentral lobule with short gyri and a postcentral lobule with one or two long gyri.
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At the external border between the cornea and the sclera is the external scleral sulcus depression.
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In one section, Ms. Falk declares: "Dart had mistakenly identified the lambdoid suture of the skull that had been imprinted on Taung's endocast as the lunate sulcus!
Bones That Tell a Tale
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The Posterior Column (columna posterior; posterior cornu) is long and slender, and is directed backward and lateralward: it reaches almost as far as the posterolateral sulcus, from which it is separated by a thin layer of white substance, the tract of Lissauer.
IX. Neurology. 3. The Spinal Cord or Medulla Spinalis
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The anterior district (Fig. 679) is named the pyramid (pyramis medullæ oblongatæ) and lies between the anterior median fissure and the antero-lateral sulcus.
IX. Neurology. 4a. The Hind-brain or Rhombencephalon
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Particularly in tumors of the superior sulcus or the lung base, images in the coronal or sagittal plane can be used to demonstrate the relationship of the tumor within the lung apex to adjacent structures.
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It cuts the cuboid sulcus and the cuboid bone.
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The insular cortex is indented by a number of sulci, one of which - the central sulcus of the insula - is deeper and more prominent than the rest.
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Directly opposite the incisura angularis of the lesser curvature the greater curvature presents a dilatation, which is the left extremity of the pyloric part; this dilatation is limited on the right by a slight groove, the sulcus intermedius, which is about 2.5 cm, from the duodenopyloric constriction.
XI. Splanchnology. 1F. The Stomach
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On the section cutting insula, central sulcus locate exactly 12 o'clock direction and outward is ultimately changeless.
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Pus in the olfactory sulcus, on the upper surface of the middle turbinal posteriorly, and on the vault of the naso-pharynx, is suggestive of sphenoidal suppuration.
Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.
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Fourth degree tear, sulcus tears inside, stitches opened up less than a week after the birth.
Mary Shelley Had NO IDEA | Her Bad Mother
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I have to admit that seeing the intermammary sulci like that signaled to me a resemblance to the gluteal sulcus or the natal cleft which left me thinking of thoughts of reproduction.
The sleazy sexism that's served up...
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Certain of the fissures and sulci are utilized for the purpose of dividing the hemisphere into lobes, and are therefore termed interlobular; included under this category are the lateral cerebral, parietoöccipital, calcarine, and collateral fissures, the central and cingulate sulci, and the sulcus circularis.
IX. Neurology. 4c. The Fore-brain or Prosencephalon
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The anterior descending branch passes at first behind the pulmonary artery and then comes forward between that vessel and the left auricula to reach the anterior longitudinal sulcus, along which it descends to the incisura apicis cordis; it gives branches to both ventricles.
VI. The Arteries. 2. The Aorta
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No sulcus for a stapedial artery can be clearly identified on either specimen.
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Another branch, the sulcus angularis, may be axial to the angular gyrus, and it may be continuous with the superior temporal sulcus.
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The posterior part of the calcarine sulcus has been referred to as an ‘axial sulcus’ because it runs longitudinally through the visual striate area and its margins contain much of the center for vision.
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The portion between the sulcus intermedius and the duodenopyloric constriction is termed the pyloric antrum.
XI. Splanchnology. 1F. The Stomach
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The inferior parietal lobule (lobulus parietalis inferior; subparietal district or lobule) lies below the horizontal portion of the intraparietal sulcus, and behind the lower part of the postcentral sulcus.
IX. Neurology. 4c. The Fore-brain or Prosencephalon
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It has derived frontal and temporal lobes and a lunate sulcus in a derived position, which are consistent with capabilities for higher cognitive processing.
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The rearmost of the four lobes is the occipital lobe, but there is no sulcus to define its limit on the lateral surface.
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Yet this is starkly contradicted by a seminal study in 2000, in which Pascal Belin found that a region of the brain the upper bank of the superior temporal sulcus responds selectively to sounds made by humans, such as speech, laughs, cries and sighs, but not to environmental sounds or the sounds of nature.
A Sound Check For the Ages
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In one section, Ms. Falk declares: "Dart had mistakenly identified the lambdoid suture of the skull that had been imprinted on Taung's endocast as the lunate sulcus!
Bones That Tell a Tale
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For instance, as memory load increased, the synchrony among the "frontoparietal regions known to underlie executive and attentional functions during memory maintenance" got stronger, and memory capacity was predicted by synchrony in a network where the "intraparietal sulcus was the most central hub".
Medlogs - Recent stories
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In one section, Ms. Falk declares: "Dart had mistakenly identified the lambdoid suture of the skull that had been imprinted on Taung's endocast as the lunate sulcus!
Bones That Tell a Tale
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The atria are separated from the ventricles by the coronary sulcus (auriculoventricular groove); this contains the trunks of the nutrient vessels of the heart, and is deficient in front, where it is crossed by the root of the pulmonary artery.
V. Angiology. 4b. The Heart
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Dermal sculpturing on the surangular is confined to the area ventral to the oral sulcus; dorsal to the sulcus, the surangular is smooth and unsculptured.
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The division between the anterior two-thirds and the posterior third is marked by a V-shaped furrow, the sulcus terminalis, which is situated immediately behind the line of the vallate papillæ.
XII. Surface Anatomy and Surface Markings. 2. Surface Markings of Special Regions of the Head and Neck
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The rounded bundle known as the uncinate fasciculus is named for its hooklike configuration as it curves beneath the stem of the lateral sulcus to connect areas of cortex in the lower frontal and anterior temporal regions.
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She was later diagnosed with a rare condition, known as sulcus vocalis.
WalesOnline - Home
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The superior temporal sulcus is involved in processing very basic behavioural actions, whereas the prefrontal cortex is involved in more complex functions such as processing how decisions affect others.
- Boing Boing
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The depression behind the ear is called the auricular sulcus.
The Anatomy of the Ear
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As in, "The transverse occipital sulcus intersects the intraparietal sulcus near the level of the parieto-occipital fissure" and "The Sahara is in Afghanistan, I think." ...
Boing Boing
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The superficial layers consist of the following: (a) Fibers which spring from the tendon of the conus arteriosus and sweep downward and toward the left across the anterior longitudinal sulcus and around the apex of the heart, where they pass upward and inward to terminate in the papillary muscles of the left ventricle; those arising from the upper half of the tendon of the conus arteriosus pass to the anterior papillary muscle, those from the lower half to the posterior papillary muscle and the papillary muscles of the septum. (b) Fibers which arise from the right atrioventricular ring and run diagonally across the diaphragmatic surface of the right ventricle and around its right border on to its costosternal surface, where they dip beneath the fibers just described, and, crossing the anterior longitudinal sulcus, wind around the apex of the heart and end in the posterior papillary muscle of the left ventricle. (c) Fibers which spring from the left atrioventricular ring, and, crossing the posterior longitudinal sulcus, pass successively into the right ventricle and end in its papillary muscles.
V. Angiology. 4b. The Heart
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Other structural features are the pronotal sulcus, a deep inflection visible externally, and the spiracular lobes, which form protective coverings over the first pair of spiracles (
PLoS ONE Alerts: New Articles
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The inferior surface presents two articular areas, the posterior and middle calcaneal surfaces, separated from one another by a deep groove, the sulcus tali.
II. Osteology. 6d. The Foot. 1. The Tarsus
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The uvula (uvula vermis; uvular lobe) forms a considerable portion of the inferior vermis; it is separated on either side from the tonsil by the sulcus valleculæ, at the bottom of which it is connected to the tonsil by a ridge of gray matter, indented on its surface by shallow furrows, and hence called the furrowed band.
IX. Neurology. 4a. The Hind-brain or Rhombencephalon
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To define the central sulcus (fissure of Rolando) two points are taken; one is situated 1.25 cm. behind the center of the line joining the nasion and inion; the second is at the intersection of the line of the posterior ramus of the lateral cerebral fissure with a line through the preauricular point at right angles to Reids base line.
XII. Surface Anatomy and Surface Markings. 2. Surface Markings of Special Regions of the Head and Neck
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To define the central sulcus (fissure of Rolando) two points are taken; one is situated 1.25 cm. behind the center of the line joining the nasion and inion; the second is at the intersection of the line of the posterior ramus of the lateral cerebral fissure with a line through the preauricular point at right angles to Reids base line.
XII. Surface Anatomy and Surface Markings. 2. Surface Markings of Special Regions of the Head and Neck
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The rhinal sulcus is not present as a separate sulcus in this specimen, but is represented as a direct continuation of the collateral sulcus.
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It is separated from the hemispheres by the sulcus valleculæ, across which it is connected to the biventral lobule by an indistinct gray band, analogous to the furrowed band already described.
IX. Neurology. 4a. The Hind-brain or Rhombencephalon
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A considerable area of the anterior part of the nasal septum is also visible by anterior rhinoscopy, and between it and the middle turbinal is a narrow chink -- the olfactory sulcus.
Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.
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The longitudinal part of this sulcus expands superiorly to form a slight depression which supports the pineal body, a cone-like structure which projects backward from the thalamencephalon and partly obscures the superior colliculi.
IX. Neurology. 4b. The Mid-brain or Mesencephalon
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On each side of the posterior median sulcus are two longitudinally running fasciculi, the gracile and cuneate, separated by the shallow posterior intermediate sulcus.
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In the adult the union of the anterior and posterior parts of the tongue is marked by the V-shaped sulcus terminalis, the apex of which is at the foramen cecum, while the two limbs run lateralward and forward, parallel to, but a little behind, the vallate papillæ.
XI. Splanchnology. 2. The Digestive Apparatus
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Strong radiating ribs are common in this group, and there are generally very strong plications or accordion like folds on the sulcus (the long middle section) of the shell.
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Its lateral half articulates, by means of a synchondrosis, with the petrous portion of the temporal, and between the two bones on the under surface of the skull, is a furrow, the sulcus tubæ, for the lodgement of the cartilaginous part of the auditory tube.
II. Osteology. 5a. 5. The Sphenoid Bone
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In this condition, both adults and four-year olds showed activation in an area called the intraparietal sulcus, part of the parietal lobe.
Mind Hacks: April 2006 Archives
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The superior frontal gyrus (gyrus frontalis superior; superfrontal gyre) is situated above the superior frontal sulcus and is continued on to the medial surface of the hemisphere.
IX. Neurology. 4c. The Fore-brain or Prosencephalon
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The portion of the medulla spinalis which lies in front of the posterolateral sulcus is termed the antero-lateral region.
IX. Neurology. 3. The Spinal Cord or Medulla Spinalis
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Its upper surface is convex and is marked along the middle line by a shallow sulcus; the anterior two-thirds are rough and studded with papillæ; the posterior third is smooth and tuberculated.
XII. Surface Anatomy and Surface Markings. 2. Surface Markings of Special Regions of the Head and Neck
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the gyral sulcus
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In her estimation, experts misinterpreted some of the intricate crevices and lumps on this brain cast, leading to the mistaken assumption that a feature called the lunate sulcus was in a position similar to ours, when the lunate sulcus was actually in a position more similar to nonhuman apes.
Bones That Tell a Tale
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The shell possesses a sulcus on the ventral valve and a corresponding fold on the dorsal valve and several weak plications on flanks.
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The insular cortex is indented by a number of sulci, one of which - the central sulcus of the insula - is deeper and more prominent than the rest.
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These point to a circuit involving the primary motor cortex, the premotor cortex and the anterior intraparietal sulcus.
Mind Hacks: August 2005 Archives
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Moreover, each lateral wall exhibits a division into a dorsal or alar and a ventral or basal lamina separated internally by a furrow termed the sulcus of Monro.
IX. Neurology. 2. Development of the Nervous System
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The cingulate sulcus begins below the rostrum of the corpus callosum and arches in front of the genu of the corpus callosum, about a finger's breadth distant from it.
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From about the middle of the postcentral sulcus, or from the upper end of its inferior ramus, the horizontal portion of the intraparietal sulcus is carried backward and slightly upward on the parietal lobe, and is prolonged, under the name of the occipital ramus, on to the occipital lobe, where it divides into two parts, which form nearly a right angle with the main stem and constitute the transverse occipital sulcus.
IX. Neurology. 4c. The Fore-brain or Prosencephalon
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In that study, the improved accuracy of MRI was interpreted as being related to the ability to image the superior sulcus on thin-section coronal and sagittal images.
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Sewell (Journal of Anatomy and Physiology, vol. xxxviii) pointed out that in about 10 per cent. of bones a small triangular facet, continuous with the posterior calcaneal facet, is present at the junction of the lateral surface of the body with the posterior wall of the sulcus tali.
II. Osteology. 6d. The Foot. 1. The Tarsus
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Tellingly, a structure called the lunate sulcus was pushed toward the back of her brain, as it is in H. sapiens's, leaving more space for areas involved in advanced association, forward planning, and problem solving.
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In her estimation, experts misinterpreted some of the intricate crevices and lumps on this brain cast, leading to the mistaken assumption that a feature called the lunate sulcus was in a position similar to ours, when the lunate sulcus was actually in a position more similar to nonhuman apes.
Bones That Tell a Tale
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In this area, called the intraparietal sulcus, clusters of neurons are sensitive to the sight of specific quantities, research suggests.
Local News from Spartanburg Herald Journal
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Conversion of the obturator sulcus into a bony foramen has been reported.
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Using the MagnetoEncephaloGraphic (MEG) scanner at the York Neuroimaging Centre to test responses in the region, the researchers found that the posterior superior temporal sulcus responds so strongly to a face plus a voice that it clearly has a 'multimodal' rather than an exclusively visual function.
Gaea Times (by Simple Thoughts) Breaking News and incisive views 24/7
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In this example the left hand stimulation results in right hemisphere activity and presumably represents the post central sulcus sensory strip.
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In the hemispheres this fissure passes in front of the tonsil, crosses between the flocculus in front and the biventral lobule behind, and joins the anterior end of the horizontal sulcus.
IX. Neurology. 4a. The Hind-brain or Rhombencephalon
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As in, "The transverse occipital sulcus intersects the intraparietal sulcus near the level of the parieto-occipital fissure" and "The Sahara is in Afghanistan, I think." ...
Boing Boing
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In one section, Ms. Falk declares: "Dart had mistakenly identified the lambdoid suture of the skull that had been imprinted on Taung's endocast as the lunate sulcus!
Bones That Tell a Tale
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It is bounded anteriorly by a deep depression which is continued backward and medialward in the form of a groove, the calcaneal sulcus.
II. Osteology. 6d. The Foot. 1. The Tarsus
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Dorsal valve only slightly sulcate, with very shallow sulcus originating in the umbonal area.
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The inferolateral boundaries extend downward and medially from the modioli to the mentolabial sulcus.
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From the inferior end of the longitudinal sulcus, a white band, termed the frenulum veli, is prolonged downward to the anterior medullary velum; on either side of this band the trochlear nerve emerges, and passes forward on the lateral aspect of the cerebral peduncle to reach the base of the brain.
IX. Neurology. 4b. The Mid-brain or Mesencephalon
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IM: intersegmental membrane; PPh: prephragma of the mesonotum; 1 Ph: first phragma of the mesonotum; PS: pronotal sulcus.
PLoS ONE Alerts: New Articles
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From this nucleus the fibers pass forward through the tegmentum, the red nucleus, and the medial part of the substantia nigra, forming a series of curves with a lateral convexity, and emerge from the oculomotor sulcus on the medial side of the cerebral peduncle.
IX. Neurology. 5c. The Oculomotor Nerve
