Vestibular gland. Greater vestibular glands (Bartholin's gland) are packed glands situated on each side of vaginal orifice. These glands are homologous to male bulbourethral (Cowper's) gland and secretes viscus fluid that supplements the lubrication during sexual intercourse. The lesser vestibular glands (paraurethral glands or glands of Skene) are numerous minute glands that are present on either side of the urethral orifice (opening). These glands are homologous to the male prostate glands and secrete mucus