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Glandulae Cowperi, Glands of Duverney or of Bartholin, Prostata mulierbis seu Barthorlini, Glandes de Cowper ou de Mery, G vulvaire conglomeree ou vulvo-vaginale, Corps folliculaire vaginal, are situate at each side of the entrance of the vagina, beneath the skin covering the posterior or inferior part of the labia. They are rounded, but elongated, flat, and bean-shaped; their long diameter varying from five to ten line; their transverse, from two and a half to four and a quarter; and their thickness from two a quarter to three lines. Like Cowpers glands in the male they are not invariably present. The secretion from them is a thick, tenacious, grayish-white fluid, which is emitted in great quantity during sexual intercourse; and is probably the fluid supposed, of old, to be the female sperm.