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plica Syllabification: pli·ca
Pronunciation: /ˈplīkə/

Definition of plica in English:


1 (plural plicae-kē-sē or plicas) Anatomy A fold or ridge of tissue.
Example sentences
  • These commarginal lirae broadly tongue dorsally across plicae and ventrally across interspaces.
  • Fibrosis of the tubal plicae was noticed in 35.5% of the specimens and was graded as mild, moderate, or severe.
  • Commissure crenulated at intersection with plicae and nodes posteriorly.
1.1 Botany A small lobe between the petals of a flower.
Example sentences
  • Loxochlamys having 13-15 prominent radial rounded-trigonal plicae that begin early in ontogeny and remain of moderate height throughout ontogeny.
  • In addition the plicae/petal size relationship was of the Gentians sap onaria type.
  • The Plica Triangularis extended into the right frontal lobe.
2 Medicine A densely matted condition of the hair.
Example sentences
  • Diseased hairshafts are likely to be more susceptible to Plica polonica.
  • It has been suggested that Plica Polonica may be associated with damage to sections of the cuticle.


Mid 17th century: modern Latin, from medieval Latin, 'fold', from plicare 'to fold'.

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