Fruit and bread, a scientific diet . Fig. 18.—Ideal Section op ttie Zonary DeciduatePlacenta of tiie b. Chorionic villi, forming placenta. c. Free part of chorion. d. Carnivorous embryo. e. Kavel cord. maetadon and dinotherium, which, although not wholly carnivorous, were, to judge from theirteeth, partially so. The elephant, the only 52 PLACENTAL FORMS. living species of these ancient animals, is alsoof this class. The Discoidal Deciduate Placenta.—The. Fig. 19.—Ideal Section op the Discoidal De-ciduate Placenta op the Fkugivora. a. Uterus. b. c. Chorionic villi, forming the plac
Fruit and bread, a scientific diet . Fig. 18.—Ideal Section op ttie Zonary DeciduatePlacenta of tiie b. Chorionic villi, forming placenta. c. Free part of chorion. d. Carnivorous embryo. e. Kavel cord. maetadon and dinotherium, which, although not wholly carnivorous, were, to judge from theirteeth, partially so. The elephant, the only 52 PLACENTAL FORMS. living species of these ancient animals, is alsoof this class. The Discoidal Deciduate Placenta.—The. Fig. 19.—Ideal Section op the Discoidal De-ciduate Placenta op the Fkugivora. a. Uterus. b. c. Chorionic villi, forming the Chorion. e. Decidua vera. /. Decidua reflexa. g. Navel cord. h. Frugivorous embryo. i. Uterine cavity. k. Lower orifice of uterus. discoidal placenta is a highly developed vas-cular structure, lying upon one side of thefetus, in the form of a round disc, leaving PLACENTAL FORMS. 53 the greater part of the chorion free. It isthus united only upon one side, at one cir-cular point with the mucus membrane of theuterus, from which, as already mentioned, itis separated at parturition. The orders ofanimals characterized by this form of placentaare the Rodentia, ant-eaters, bats, the variousspecies of apes, and man. All these are veryclosely united by homologous anatomical human placenta does not differ, in itsgeneral character, from that of the others,and there is no good reason for separatingman from this placental classification. Relations betw
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectdiet, booksubjectvege
