| placode | <embryology> Area of thickened ectoderm in the embryo from which a nerve ganglion or a sense organ will develop. (31 Dec 1997) |
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| placoderm | <paleontology> One of the Placodermi. Origin: Gr, tablet + skin. Source: Websters Dictionary (01 Mar 1998) |
| placodermal | <paleontology> Of or pertaining to the placoderms; like the placoderms. Source: Websters Dictionary (01 Mar 1998) |
| placodermata | <paleontology> Same as Placodermi. Source: Websters Dictionary (01 Mar 1998) |
| placodermi | <paleontology> An extinct group of fishes, supposed to be ganoids. The body and head were covered with large bony plates. Origin: NL, fr. Gr, a tablet + skin. Source: Websters Dictionary (01 Mar 1998) |
| placode |
A thickening of the surface ectoderm in the head region of the early vertebrate embryo that gives rise to the future sensory organs (eye, nose and ear). The lens placode develops into the prospective lens.
Ãâó: www.nature.com/nrg/journal/v4/n11/glossary/nrg1202...
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| placode |
(Greek plax = plate, eidos = shape or form) A surface ectoderm thickening seen in the early embryo head region. Each pair of placodes will form a different component of each sensory system (otic placode, optic placode, nasal placode). (More? Head Notes)
Ãâó: embryology.med.unsw.edu.au/Notes/Index/P.htm
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| placode |
a platelike thickening of embryonic ectoderm from which a definitive structure develops
Ãâó: pages.cpsc.ucalgary.ca/~becker/HatchingProgram/Can...
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| placode | fishlike vertebrate with bony plates on head and upper body |
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| placode | extinct group of bony-plated fishes with primitive jaws |
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