[
US
/pɫəˈnɛɹiən/
]
NOUN
- free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts
How To Use planarian In A Sentence
- The expression of Djhox#1053 in X-ray irradiated planarians cut two days after irradiation, was tested by whole mount in situ hybridization.
- Make a classroom wall dictionary of all the new worm words your students are learning: annelid, fanworm, earthworm, flatworm, leech, lugworm, nematode, planarian, ribbonworm, spoonworm, tapeworm… to name several.
- Here is a picture I took in the field; the planarian was still on the underside of the log. Bipalium adventitium
- I wrote about the land planarian Bipalium adventitium in this post. Bipalium adventitium
- Irrespective, this evidence establishes the existence of actively crawling organisms, almost certainly bilaterians, and almost certainly above the grade of planarians because of the implied hydrostatic skeleton.
- In planarian worms, Pax6 orthologs are expressed in developing eyes, but do not appear to be required for eye development.
- In Hydrozoans the same orthologous six genes are required for eye regeneration as in planarians, and in the box jellyfish Tripedalia a pax B gene, which may be a precursor of Pax6, was found to be expressed in the eyes.
- In planarian regeneration, they could be instrumental to transforming the homogeneous blastema and postblastema fields into discrete patterned regions.
- He received his Ph.D. in 1902 working on the behavior of planarians and stayed on as instructor of zoology until 1906.
- Planarians are free-living flatworms, and have a much simpler life history.