Identifier: textbt00hirs (find matches)
Title: A textbook of obstetrics
Year: 1899 (1890s)
Authors: Hirst, Barton Cooke, 1861-1935
Subjects: Obstetrics
Publisher: Philadelphia : Saunders
Contributing Library: Yale University, Cushing/Whitney Medical Library
Digitizing Sponsor: Open Knowledge Commons and Yale University, Cushing/Whitney Medical Library

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gion 1 The description of the development of the sexual organs is taken, with modifi-cations, from Newell Martins article in The American System of Obstetrics,edited by the author. 44 PREGNANCY. is a horizontal line ; in males the hair rises in a triangular shape to a point upon the median line of the abdominal wall.The labia majora are \\Al\s of skin containing fat, connectivetissue, and involuntary muscle-fibers, continuous with the monsveneris and uniting below an inch in front oi the anus. Theysurround the urogenital fissure. Their points of junction aboveand below are called the anterior and posterior commissures.Just within the latter there is a erescentic transverse fold of skin,called the fourchet. The region between the fourchet and theposterior commissure is the fossa navicularis. The Labia Minora, or Nympha?.—Just below the anterior com-missure of the labia majora the nymphae begin on each side as twoleaflets of delicate skin ; one, the upper, with its fellow of the other
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Fig! 36. — Hypertrophied nymphae (authors case). side, constituting the prepuce of the clitoris ; the lower leaflet,with its other half, forming the frenum ^\ the prepuce. Unitingbelow and to the outer side of the clitoris, the nymphae rundownward to merge into the labia majora at about their middle orlower third. The labia minora are often asymmetrical. lhe\ lieapposed to each other in the middle line, completely coveredby the labia majora. They vary much in size. In Hottentotsthew are uniformly enormous, projecting far beyond the labiamajora. As an exception this condition is sometimes seen inthe Caucasian race. The skin of the nymphae is in a transitionbetween mucous membrane and skin. It merges on itsOuter side into the delicate skin of the inner surface n\ the labiamajora, and on its inner side into tin- mucous membrane of the THE FEMALE SEXUAL ORGANS. 45 vestibule. The venous spaces and the unstriped muscular fibers in the nymphae resemble the structure of erectile tissue. The

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