. A manual of zoology. Zoology. Fig. esi. Fig. , Fig. 651.—Diagram of embryonic mammalian urogenital system. (From Balfour, after Thompson.} cZ, cloaca; <:%\ genital process; fio, genital cord; i, rectum; (s, ridge for formation of labia or scrotum; m, JMijllerian duct; u(, gonad; iiff, urogenital sinus: ir, Wolffian body; u\ Wolffian duct; 3, ureter; A, urinary blad- der ; 5, continuation of latter to allantois (urachus). Fig. 653.—Urogenital system of male beaver. (From Blancbard.) a, castoreum sacs ; /j, oijenings of their ducts into preputial canal; c, tip of penis ; d, preputial op


. A manual of zoology. Zoology. Fig. esi. Fig. , Fig. 651.—Diagram of embryonic mammalian urogenital system. (From Balfour, after Thompson.} cZ, cloaca; <:%\ genital process; fio, genital cord; i, rectum; (s, ridge for formation of labia or scrotum; m, JMijllerian duct; u(, gonad; iiff, urogenital sinus: ir, Wolffian body; u\ Wolffian duct; 3, ureter; A, urinary blad- der ; 5, continuation of latter to allantois (urachus). Fig. 653.—Urogenital system of male beaver. (From Blancbard.) a, castoreum sacs ; /j, oijenings of their ducts into preputial canal; c, tip of penis ; d, preputial opening ; e, anal glands; /, their ducts; t7, anus ; ?i, base of tail; (, corpora caver- nosa ; /f, Cowper's glands; /, seminal vesicles; (?(, vasa deferentia; h, testes; in urinary bladder with ureters. the urinary bladder {J,), a jiart of the allantois which extends {5) into the ftetal appendages; the three ducts, the Miillerian {m), the Wolffian («'), and tlie ureter (J). These ducts no longer em2)ty into the intestine, but into the allantoic structures, the ureters into the base of the urinary bladder, the Wolffian and. 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902