File:A textbook of obstetrics (1899) (14775242564).jpg

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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genital eminence, with well-marked side-walls leading back-to open into the cloaca. The development of the perineumdivides this groove (during the third month) transversely into asmaller anal opening and a larger urogenital. This conditionis but slightly modified in the female. The genital eminencein that sex remain* small and constitutes the clitoris. The sidewalls remain separate and form the labia minora, while the cuta-neous folds enlarge and become the labia majora (Fig. 34, 3).The urogenital sinus is, therefore, permanent in woman, and formsthe vestibule, which has in front of it the- clitoris, and, opening THE FEMALE SEXUAL ORGANS. 43 into it, the urethra and vagina. The skinfolds remain separate inthe female to form the labia majora.1 The genital organs and structures of woman are divided intothe external and the internal genitalia. The former, describedoften as the genitalia, pudendum, or vulva, comprise the monsveneris, the labia majora, the labia minora, the vestibule, with
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Fig. 35.—Diagram of the genitalia (Dickinson). the urethral orifice, and the clitoris ; the latter, the hymen, thevagina, the uterus, the Fallopian tubes, and the ovaries. The Mons Veneris and the Labia Majora.—The mons venerisis a flat protuberance over the symphysis pubis, consisting offat and connective tissue covered with a tough skin clothed withcoarse hair. In females the upper border of the hairy region 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

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