noun (plural tunicae /-nəkē, -sē/)
- 1 Anatomy A membranous sheath enveloping or lining an organ.More example sentences
- Arterial calcification most commonly involves the tunica media.
- Muscle fibers arranged in various striae form the tunica media of veins, for example, in medium-sized vessels.
- The tumor completely encased the right coronary artery with external compression of the vessel wall without invasion into the tunica media.
late 17th century: from Latin, literally 'tunic'.
More definitions of tunicaDefinition of tunica in:
- The British & World English dictionary