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 [pli´kah] (L.)
a ridge or fold on some body structure.


1. A ridge or margin apparently formed by the doubling back of a lamina. Synonym(s): plica
2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina.


n. pl. plicae (plī′sē, -kē)
A fold or ridge, as of skin, membrane, or shell.

pli′cal adj.


, pl. plicae (plī'kă, -kē) [TA]
1. [TA] One of several anatomic structures in which there is a folding over of the parts.
2. Synonym(s): false membrane. See also: fold
[Mod. L. a plait or fold]