. Chordate anatomy. Chordata; Anatomy, Comparative. .AN 0UCT\ TESTIS C. SEX CORU B OVARY C&WTNElOs DUCT) Fig. 285.— Diagrams of the testis (A) and ovary (B) showing the homologies of their components. (Redrawn after Mall, modified.) The testis is originally an abdominal organ like the ovary, and its position in the scrotum is the result of a migration or descensus in which it drags with it blood-vessels, lymphatics, nerves, and the cremaster externus and internus muscles which, together with the ductus, constitute the spermatic cord. During the third to the sixth month of development, pair


. Chordate anatomy. Chordata; Anatomy, Comparative. .AN 0UCT\ TESTIS C. SEX CORU B OVARY C&WTNElOs DUCT) Fig. 285.— Diagrams of the testis (A) and ovary (B) showing the homologies of their components. (Redrawn after Mall, modified.) The testis is originally an abdominal organ like the ovary, and its position in the scrotum is the result of a migration or descensus in which it drags with it blood-vessels, lymphatics, nerves, and the cremaster externus and internus muscles which, together with the ductus, constitute the spermatic cord. During the third to the sixth month of development, paired out- pocketings of the body-cavity, vaginal sacs, extend ventral to the pubic. Tes*M Gcbe. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Neal, Herbert V. (Herbert Vincent), 1869-1940; Rand, Herbert W. (Herbert Wilbur), 1872-1960. Philadelphia : P. Blakiston's Son & Co.


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Keywords: ., bookcentury1900, bookpublisherphi, booksubjectanatomycomparative