placode

About 0.07 uses per million words.

Meaning

1. noun A platelike thickening of the epithelial layer of an embryo from which an organ, especially a sense organ, develops.

Similar words

otic epibranchial floorplate plasm pseudoplacenta placula placentary planula exothelium placenta

Often followed by

and is in of to formation invaginates induction development