Definition, Meaning & Synonyms

tunica

Noun
/ˈtjuːnɪkə/
Definition
A type of tissue or layer that covers or forms part of an organ.
Examples
  • The tunica intima is the innermost layer of a blood vessel.
  • The tunica albuginea protects the testis.
  • During development, the tunica dartos helps regulate temperature in the scrotum.
Meaning
The word ‘tunica’ refers to a covering or sheath, especially in a biological context. It is often used to describe layers or membranes surrounding organs or structures in the body.
Synonyms
  • membrane
  • layer
  • sheath