ekˈstərnə noun
( plural exter·nae -ˌnē, -ˌnī ; or externas )
Etymology: New Latin, from Latin, feminine of externus
: the outer layer of a blood vessel made up chiefly of connective tissue — compare intima , media
ekˈstərnə noun
( plural exter·nae -ˌnē, -ˌnī ; or externas )
Etymology: New Latin, from Latin, feminine of externus
: the outer layer of a blood vessel made up chiefly of connective tissue — compare intima , media
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012