File:The comparative anatomy of the domesticated animals (1873) (20047238054).jpg

Title: The comparative anatomy of the domesticated animals
Identifier: comparativeana00chau (find matches)
Year: 1873 (1870s)
Authors: Chauveau, A. (Auguste), 1827-1917; Arloing, S. (Saturnin), 1846-1911; Fleming, George, 1833-1901, tr
Subjects: Veterinary anatomy
Publisher: New York : D. Appleton and Company, 549 & 551 Broadway
Contributing Library: NCSU Libraries
Digitizing Sponsor: NCSU Libraries

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Text Appearing Before Image:
THE MALE GENITAL ORGANS. SG9 cavernosnin. Tlic lattt-r is little developed, and presents, iuternally, a longitudinal fil^rous cord; it is not niiich dilated during erection. In this act, tiie penis is elongated by the straightening out of its curvatures, rather thiin by any real lengthening; when erection ceases, the organ is retracted into the preputial cavity by the contraction of the sus- pensory cords, which reform its double inflection behind the scrotum. In the Bam and He-ijoat, the disposition of these parts is somewhat similar, fin the former, the extremity of the urethra has the form of a narrow cylinder curved backwards, its opening being a longitudinal slit. In Ruminants, towards the extremity of the sheath are small teats; these, in the He-goat, are sometimes glandular, and secrete a fluid analogous to milk.) Fis:. 405.
Text Appearing After Image:
PENIS AND MUSCLES OF THE SHEATH OF THE BULL. 1, Protractor muscle of the sheath ; 2, Retractor of ditto; 3, Testicles in the scrotum; 4, The S of the penis; 5, Suspensory cords of the penis attached to the second curve : 6, Subcutaneous abdominal vein. Pig.âThe testicles of this animal are round, and placed in tlie perineal region. The scrotum is narrow, and but little detadied: the pouches of which it is composed appearing simply as two henuspheri-al prominences on the surface of the perineum. There is nothing particular to be remarked in the epididymis and vas deferens; (the tail of the first is very voluminous: the latter has no pelvic dihitation.) The vesiculie feminales, with regard to disposition, are intermediate between those of the. Horse and Ox Their walls are thick and very glandular, and their interior is diverticulated. (They are, proportionately, very large, and. in structure, closely re- semble those of Ruminants; indeed, in these animals they rather appear to be organs for the secretion of a milky liquid that is mixed with the semen, than reservoirs for the fecundating matter, as tiiat fluid never contains any spermatozoa.) There are two proi'tates: one disposed as in the Ox; the other jdaced across the neck of the bladder, as in Solipeds. The penis resembles that of Ruminants, except in the absence of the muscles of the sheath; it has also a particular preputial sheath, â which has been studied 58

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