Imperforate Hymen.

Imperforate Hymen.
Imperforate hymen is a rare condition that causes great distension of the vagina by mucus. In this necropsy specimen, the thin, stretched vaginal has been opened. Heifers with an intact hymen will cycle normally, but intromission by penis or pipet is not possible. [size of the square tile is 15 cm].

Roberts SJ (1973)