. On the anatomy of vertebrates [electronic resource] . , and ter-minates by a flattened bifid glans. In the Capybara the urethraterminates close to the vulva, and a groove is continued to thepreputium clitoridis, which projects externally. In many Ro-dents (Arvicola, Lagostomus, Bathyergus) the clitoris is per-forated by the urethral canal. In the Squirrel the vulva is alongitudinal slit upon a conical prominence or peak: in thePorcupine the vulva is a thick semilunar prominence, puckeredup internally into longitudinal folds, and opening immediatelybelow the vent. The urethra and preputium cl
. On the anatomy of vertebrates [electronic resource] . , and ter-minates by a flattened bifid glans. In the Capybara the urethraterminates close to the vulva, and a groove is continued to thepreputium clitoridis, which projects externally. In many Ro-dents (Arvicola, Lagostomus, Bathyergus) the clitoris is per-forated by the urethral canal. In the Squirrel the vulva is alongitudinal slit upon a conical prominence or peak: in thePorcupine the vulva is a thick semilunar prominence, puckeredup internally into longitudinal folds, and opening immediatelybelow the vent. The urethra and preputium clitoridis are closeto the vaginal outlet. The human uterus repeats, as an anomaly, the grade of con-centrative development attained by those Rodents in whicha short common cavity or e corpus intervenes between thecornua and the vagina, as in the instance, fig. 541, given byArthur Farre in his masterly Article ( On the Uterus andits § 385. In Insectivora.—In some of these Lissencephala, as in 1 ccxlvi. p. 680. 688 ANATOMY OF Uterus bieornis, Human Anomaly, ccxlvi 542 some Rodentia, the clitoris projects externally to the vulva, andis perforated by the urethral canal. The Mole, which exemplifies this structure, %. 542, c, 541 also shows a complete clo-sure of the vaginal orificein the virgin state, ib. I,1the vulva afterwards, ib. 2,intervening, at n, betweenthe clitoris, c, and the pro-minent vent, below theletter n. The canals, seve-rally continued from theseapertures, viz. rectum, va-gina, and urethra, are allanterior to the pubic bones,consequently outside thepelvis. There is no valvular or other distinction between thevagina and corpus uteri: a long, somewhat tortuous, subdepressedutero-vaginal canal extends into the ab-domen to terminate in the cornua uteri:these are cylindrical tubes, and describethree abrupt curves, on quitting thecorpus uteri, at right angles ovaries are commonly found with atuberculate exterior, and are inclose
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