planaria


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planaria

[plə′ner·ē·ə]
(invertebrate zoology)
Any flatworm of the turbellarian order Tricladida; the body is broad and dorsoventrally flattened, with anterior lateral projections, the auricles, and a pair of eyespots on the anterior dorsal surface.
References in periodicals archive ?
Desai, "Description and quantification of cocaine withdrawal signs in Planaria," Brain Research, vol.
Like those planaria, they have learned something from 1994, when the Brady Law and the federal assault weapons ban played a major role in turning control of both houses of Congress over to the Republican Party.
In uninjured planaria, neoblasts are distributed throughout the parenchyma (mesenchyme), and only mitotic cells serve as the source of replacement cells during tissue renewal (Newmark, 2007).
This experiment was conducted in order to determine if exposure to red LED light aided in the regeneration of planaria. Thirty whole planaria were cut in halves, and the 60 cut planaria were separated into six different groups that received varying amounts of exposure to the red LED light.
In this report, several of these techniques are evaluated and described for their use in studying Planaria. Special emphasis is given to techniques relevant to the study of toxicological effects of pollutants on neural tissue.
Without the protein, the planaria's stem cell population died out, and they lost the ability to regenerate.
Joy deflected most questions onto the other kids, or she would say something like, "It looks like planaria, but check with..." She seemed to be everywhere at once, but she was facilitating communication not only among students in the room, but also among students from the other classes.
THE EFFECT OF GLUTAMATE ON THE REGENERATION OF BLACK PLANARIA (DUGESIA DOROTOCEPHALA)
Similarly Planaria are noted for their great ability to regenerate missing body parts.
In fact, the characterization of the serpent and reader is at first so convincing, one easily forgives a zoological inaccuracy: while some small worms (planaria) will regenerate if cut lengthwise, no snake could survive the sort of vivisection Baudelaire prescribes.
Trematodes from the lungs of Anura were first reported over 200 years ago by Goeze (1782), who recognized a lung fluke in a frog and called it Planaria cylindrica.