tunica vaginalis
noun
tunica va·gi·na·lis
| \ -ˌvaj-ə-ˈnā-ləs
, -ˈnal-əs
\
, -ˈnal-əs
\
plural tunicae vaginales\ -ˈnā-(ˌ)lez
, -ˈnal-(ˌ)ēz
\
, -ˈnal-(ˌ)ēz
\
Medical Definition of tunica vaginalis
: a pouch of serous membrane covering the testis and derived from the peritoneum