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Related to plicae: Peyer's patches, Kerckring


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

[Medieval Latin, fold, from Latin plicāre, to fold; see plek- in Indo-European roots.]

pli′cal adj.


n, pl plicae (ˈplaɪsiː)
1. (Anatomy) anatomy Also called: fold a folding over of parts, such as a fold of skin, muscle, peritoneum, etc
2. (Pathology) pathol a condition of the hair characterized by matting, filth, and the presence of parasites
[C17: from Medieval Latin: a fold, from Latin plicāre to fold; see ply2]
ˈplical adj


(ˈplaɪ kə)

n., pl. pli•cae (ˈplaɪ si, -ki)
a fold, as of a mucous membrane.
[1675–85; < Medieval Latin: a fold, n. derivative of Latin plicāre to fold]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.plica - a folded part (as in skin or muscle)
anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure"
epicanthic fold, epicanthus - a vertical fold of skin over the nasal canthus; normal for Mongolian peoples; sometimes occurs in Down's syndrome
plica vocalis, vocal band, vocal cord, vocal fold - either of two pairs of folds of mucous membrane projecting into the larynx
ruga - (anatomy) a fold or wrinkle or crease; "rugae of the stomach"
tentorium - (anatomy) a fold of dura mater that covers the cerebellum and supports the occipital lobes of the cerebrum


A line or an arrangement made by the doubling of one part over another:
References in periodicals archive ?
Semicircular lunula not delimited by a carina, with radial plicae that do not reach its posterior margin, integument generally microtesellate posteriorly (Fig.
The intestinal tract contains the plicae circulares and villi that increase its mucosa surface area by 20–30 folds.
Histologically, elongated plicae (diaphragms) with submucosal fibrosis are seen, often eroded at the tip.
According to Muller, this variant (ABMS) is identical to the "arteria plicae cubiti superficialis" first described and denominated by Gruber, but as seen in the original articles, these are two absolutely different variants [21,28].
Synovial plicae may cause injuries to the underlying cartilage through a combination of compression, friction, and shear forces [13] and are associated with an increase in underlying articular cartilage lesions when present in a joint [7, 14, 15].
Among common causes various intra-articular pathologies of the knee such as loose bodies, chondral fractures, degenerative changes, plicae can mimic a meniscal tear.
1,3,4) Endoscopic findings may include mucosal ulceration, bleeding, mucosal thickening, and focal brown discolorations as well as thickened plicae.
Placed within the subfamily Ammodytinae, which also includes the genera Gymnammodytes and Hyperoplus, Ammodytes is diagnosed by the presence of scales deeply embedded in dermal plicae below the lateral line, a highly protrusible upper jaw (Pietsch, 1984), and non-expanded neural and haemal spines on the caudal vertebrae (Ida et al.
The lining epithelium of the prehepatic gut is corrugated into plicae (Fig.
Propodeum short with plicae, and strong transverse carina along posterior margin connecting plicae.
They are thought to be caused by abnormal insertion of the mesonephric ducts into the cloaca in the place of the normal plicae colliculi, which cause varying degrees of obstruction.
5 x as long as distance between inner edges of spiracles, median carina and plicae absent, and transversally reticulated between spiracles, the latter almost touching to posterior margin of metanotum.