Title: The anatomy of the domestic animals
Identifier: anatomyofdomesti01siss (find matches)
Year: 1914 (1910s)
Authors: Sisson, Septimus, 1865-1924
Subjects: Veterinary anatomy
Publisher: Philadelphia, London, W. B. Saunders Company
Contributing Library: The Library of Congress
Digitizing Sponsor: Sloan Foundation

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THE FEMALE GENITAL ORGANS The female genital organs (Organa genitalia feminina) are: (1) The two ovaries, the essential reproductive glands, in which the ova are produced; (2) the uterine or Fallopian tubes, which convey the ova to the uterus; (3) the uterus, in which the ovum develops; (4) the vagina, a dilatable passage through which the foetus is expelled from the uterus; (5) the vulva, the terminal segment of the genital tract, which serves also for the expulsion of the urine; (6) the mammary glands, which are in reality glands of the skin, but are so closely associated functionally with the generative organs proper that they are usually described with them. GENITAL ORGANS OF THE MARE THE OVARIES Tlie ovaries (Ovaria) of the mare are hean-shapcd, and are much smaller than the testicles. Their size varies much in different subjects, and they are
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Fig. 530.—Lateral View of Genital Organs and Adjacent Structures of Mare. It is to be noted that the removal of the other abdominal viscera has allowed the ovaries and uterus to sink down; this has, however, the advantage of showing the broad ligaments of the uterus. 1, Left ovary; 2, uterine or Fallopian tube; S, left cornu uteri; 4. right cornu uteri; 5, corpus uteri; 5', portio vaginalis uteri, and 5", os uteri, seen through window cut in vagina: 6, broad ligament of uterus; 6'", round ligament of uterus; 7, vagina; 5, labia vulvae; 5, rima vulvae; 9\ dorsal commissure, and 9", ventral commissure, of vulva; 10, constrictor vulvae; 11, position of vestibular bulb; IS, ventral wall of abdomen; IS, left kidney; H, left ureter; IB, urinary bladder; 16, urethra; 17, rectum; 18, anus; 19, 19', unpaired and paired parts of sphincter ani externus; 20, retractor ani cut at disappearance under sphincter ani externus; 21, suspensory ligament of anus; 22, longitudinal muscular layer of rectum; 22\ recto-coccygeus; 23, constrictor vaginae; a, utero-ovarian artery, with ovarian (a') and uterine (a") branches; b, uterine artery; c, um- bilical artery; d, ischium; e, pubis; /, ilium, (.\fter Elleuberger, in Leisering's Atlas.) normally larger in young than in old animals; one ovary is often larger than the other. They are about three inches (ca. 7 to 8 cm.) long and an inch to an inch 596

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