plica(redirected from plicas)
Also found in: Dictionary, Thesaurus, Encyclopedia.
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.
plica/pli·ca/ (pli´kah) pl. pli´cae [L.] a fold.
n. pl. plicae (plī′sē, -kē)
A fold or ridge, as of skin, membrane, or shell.
[plī′kə] pl. plicae
Etymology: L, plicare, to fold
a fold of tissue within the body, such as the plicae transversales of the rectum and the plicae circulares of the small intestine. plical, adj.
pli·ca, pl. plicae (plī'kă, -kē) [TA]
1. [TA] One of several anatomic structures in which there is a folding over of the parts.
[Mod. L. a plait or fold]
pl. plicae [L.] a ridge or fold.
permanent folds in the abomasal mucosa.
permanent folds in the mucosa of the small intestine.
a median fold in the pharyngeal mucosa that passes from the root of the tongue to the base of the epiglottis.
passes from the lower jaw to the upper behind the last molar teeth on both sides of the mouth.
the fold that partly separates the rumen from the reticulum.
plica semilunaris conjunctivae
the fold of conjunctiva that encloses the substance of the third eyelid.
plica venae cavae
the pleural fold which extends from the mediastinum to the caudal vena cava.