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planarian - definition and meaning
Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
noun Any of various small, chiefly freshwater flatworms of the order Tricladida, having a soft, broad, ciliated body, a three-branched digestive cavity, and the ability to regenerate body parts.
from The Century Dictionary.
Flat, as a turbellarian; belonging to the Planarida or Dendrocœla. See cut under Dendrocœla .
noun A member of the suborder Planarida.
from the GNU version of the Collaborative International Dictionary of English.
noun (Zoöl.) One of the Planarida, or Dendrocœla; any turbellarian worm.
from Wiktionary , Creative Commons Attribution/Share-Alike License.
noun Any of various freshwater flatworms , of the family Planariidae, especially of the genus Planaria.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[From New Latin Plānāria , genus name, from feminine of Late Latin plānārius , on level ground, from plānus , flat; see pelə- in Indo-European roots.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
From New Latin planaria (from Late Latin planarius ("lying on a plane"), from Latin planum ) + -an
Support
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Examples
I wrote about the land planarian Bipalium adventitium in this post.
Bipalium adventitium AYDIN 2009
The planarian hasn't eaten for at least about 50 hours.
Bipalium adventitium AYDIN 2009
I wrote about the land planarian Bipalium adventitium in this post.
Archive 2009-09-01 AYDIN 2009
Here is a picture I took in the field; the planarian was still on the underside of the log.
Bipalium adventitium AYDIN 2009
I have selected an unfortunate earthworm from the backyard and will be giving it to the planarian soon.
Archive 2009-09-01 AYDIN 2009
Here is a picture I took in the field; the planarian was still on the underside of the log.
Archive 2009-09-01 AYDIN 2009
As usual, I was looking for slugs and snails and there was this planarian crawling around the roots of a tree.
Archive 2009-06-01 AYDIN 2009
And now for something completely different: the land planarian Bipalium adventitium.
Archive 2009-06-01 AYDIN 2009
I have selected an unfortunate earthworm from the backyard and will be giving it to the planarian soon.
Bipalium adventitium AYDIN 2009
The planarian hasn't eaten for at least about 50 hours.
Archive 2009-09-01 AYDIN 2009
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