. Elements of Comparative Anatomy. Fig. 350. Female generative organs of Ornithorhynclius. o End of the ovi- duct and ovary, t Oviduct, u Uterus. «' Point at wliich the orifice of the uterus projects upwards, close below the opening of the ureter. vu Urinary bladder. siig Sinus urogenitalis. cl Fig. 351. Female generative organs of Halmaturus. ov Ovary, od Oviduct. u Uterus, cv Vaginal canals, ciig Sinus urogenitalis. vu Urinary bladder, itr Ureter, * Opening of the bladder. sinus urogenitalis, which communicates with the cloaca (cZ). The lower end of the oviduct, which is distinguish
. Elements of Comparative Anatomy. Fig. 350. Female generative organs of Ornithorhynclius. o End of the ovi- duct and ovary, t Oviduct, u Uterus. «' Point at wliich the orifice of the uterus projects upwards, close below the opening of the ureter. vu Urinary bladder. siig Sinus urogenitalis. cl Fig. 351. Female generative organs of Halmaturus. ov Ovary, od Oviduct. u Uterus, cv Vaginal canals, ciig Sinus urogenitalis. vu Urinary bladder, itr Ureter, * Opening of the bladder. sinus urogenitalis, which communicates with the cloaca (cZ). The lower end of the oviduct, which is distinguished by the greater thickness of its muscular wall, forms a uterus {u); but this merely corresponds to the structures which likewise function as a uterus in many Anamnia and Sauropsida. In the Marsupialia the efferent ducts of the female are connected together on the outer surface, and each of them gives rise to an oviduct and uterus, as well as to a new portion, or vagina, which. 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 Gegenbaur, C. (Carl). London : Macmillan
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