. Fig. ii—Sheath, Prepuce and Protruded Penis of Bull. Lettering same as in Fig. 10. the length of the glans. The further protrusion of the penis requires the eversion of the sheath by which it becomes the visceral covering of the base of the penis. It thus transpires that the prepuce and sheath, the epithelial surfaces of which face inwardly while the penis is at rest with a cavity be- tween them and the penis, become reversed when the organ is erected and constitute its immediate covering with its epi- thelium facing outward. The general plan is indicated in Figs. 8-11. B. The Female Generat
. Fig. ii—Sheath, Prepuce and Protruded Penis of Bull. Lettering same as in Fig. 10. the length of the glans. The further protrusion of the penis requires the eversion of the sheath by which it becomes the visceral covering of the base of the penis. It thus transpires that the prepuce and sheath, the epithelial surfaces of which face inwardly while the penis is at rest with a cavity be- tween them and the penis, become reversed when the organ is erected and constitute its immediate covering with its epi- thelium facing outward. The general plan is indicated in Figs. 8-11. B. The Female Generative Organs The genital system of the mammalian female consists of the ovaries, oviducts, uterus, cervix, vagina, and vulva. 1. The Ovaries The ovaries are the essential reproductive glands of the female. They perform the fundamental generative func-
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecthorses, bookyear1921
