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placode

Pronunciation: plak'od

Definition: Local thickening in the embryonic ectodermal layer; the cells of the placode ordinarily constitute a primordial group from which a sense organ or ganglion develops.

[G. plakodes, fr. plax, anything flat or broad, + eidos, like]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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