Gynaecology for students and practitioners . r fold of membrane, or a number ofsmall openings irregularly distributed—cribriform hymen. Some-times no aperture at all exists, so that the vagina is completely closedby it below—imperforate hymen. The strength and dilatability ofthe hymeneal membrane are variable ; it may be so elastic as tostretch without lacerating during coitus ; on the other hand, it maybe so resistant that its removal is necessary before coitus can becompleted. It follows that the presence of an entire hymen is notmedico-legal evidence of virginity. In married women the hymen
Gynaecology for students and practitioners . r fold of membrane, or a number ofsmall openings irregularly distributed—cribriform hymen. Some-times no aperture at all exists, so that the vagina is completely closedby it below—imperforate hymen. The strength and dilatability ofthe hymeneal membrane are variable ; it may be so elastic as tostretch without lacerating during coitus ; on the other hand, it maybe so resistant that its removal is necessary before coitus can becompleted. It follows that the presence of an entire hymen is notmedico-legal evidence of virginity. In married women the hymenis, however, usually found divided by sulci into three or four portions,which have shrunk into small folds. In parous women these foldshave further diminished, and appear as small sessile tubercles, fouror five of which can be found around the ostium ; they are calledthe carunculce myrtiformes. THE VULVA 63 Certain muscles in relation to the ostium vaginae provide for ita kind of sphincter ; these are the anterior or pubic fibres of the.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgynecology, bookyear1
