Lens placode

Lens placode

Infobox Embryology
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Precursor = surface ectoderm
GivesRiseTo = lens
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The Lens placode is a thickened portion of ectoderm which serves as the precursor to the lens.

SOX2 and Pou2f1 are involved in its development.cite journal |author=Donner AL, Episkopou V, Maas RL |title=Sox2 and Pou2f1 interact to control lens and olfactory placode development |journal=Dev. Biol. |volume=303 |issue=2 |pages=784–99 |year=2007 |pmid=17140559 |doi=10.1016/j.ydbio.2006.10.047]

ee also

* placode

References

External links

*
* http://cwx.prenhall.com/bookbind/pubbooks/martini10/chapter18/custom3/deluxe-content.html
* http://isc.temple.edu/neuroanatomy/lab/embryo_new/eye/2/


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  • lens placode — n an ectodermal placode from which the lens of the embryonic eye develops * * * a thickened area of ectoderm directly overlying the optic vesicle in the early embryo, from which the lens develops …   Medical dictionary

  • lens placode — noun : an ectodermal placode from which the lens of the embryonic eye develops …   Useful english dictionary

  • Lens (anatomy) — Crystalline lens (anatomy) Light from a single point of a distant object and light from a single point of a near object being brought to a focus by changing the curvature of the lens …   Wikipedia

  • Placode — A placode is an area of thickening in the embryonic epithelial layer where some organ or structure later develops. The term usually refers to cranial placodes, peripheral nervous system structures associated with the special senses and cranial… …   Wikipedia

  • placode — Local thickening in the embryonic ectoderm layer; the cells of the p. ordinarily constitute a primordial group from which a sense organ or ganglion develops. [G. plakodes, fr. plax, anything flat or broad, + eidos, like] auditory placodes SYN:… …   Medical dictionary

  • placode — ˈplaˌkōd noun ( s) Etymology: International Scientific Vocabulary plac + ode : a platelike thickening of embryonic ectoderm from which a definitive structure develops ear placode olfactory placode see lens placode …   Useful english dictionary

  • lens pit — a pitlike depression in the ectoderm of the lens placode where the primordial lens is developing …   Medical dictionary

  • lens rudiment — see under placode …   Medical dictionary

  • Otic placode — Latin placoda otica Code TE E5.15.2.0.0.0.4 In embryology, the otic placode is a thickening of the ectoderm on the outer surface of a developing embryo from which the ear develops. The ear, including both the vestibular system and the auditory… …   Wikipedia

  • optic placode — noun : lens placode …   Useful english dictionary

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