. Human embryology and morphology. Embryology, Human; Morphology. 98 HUMAN EMBKYOLOGY AND MOEPHOLOGY. reflexa atrophy, and in this way the discoidal placenta of man is formed. In lower primates (Monkeys) there are two discs (bi-discoidal), and this form occasionally occurs in man. vein artery artery. muscular coat blood spaces vein chorionic villus deeidua serotina chorion amnion. deeidua vera deeidua reflexa cervix. Fig. 76.—Showing the arrangement of the Amnion, Chorion, and Deeidua in the 3rd month and the Formation of the Placenta. The elements entering into the formation of the placenta a


. Human embryology and morphology. Embryology, Human; Morphology. 98 HUMAN EMBKYOLOGY AND MOEPHOLOGY. reflexa atrophy, and in this way the discoidal placenta of man is formed. In lower primates (Monkeys) there are two discs (bi-discoidal), and this form occasionally occurs in man. vein artery artery. muscular coat blood spaces vein chorionic villus deeidua serotina chorion amnion. deeidua vera deeidua reflexa cervix. Fig. 76.—Showing the arrangement of the Amnion, Chorion, and Deeidua in the 3rd month and the Formation of the Placenta. The elements entering into the formation of the placenta are «liagrammatically shown in Fig. 77. They are : 1st. The deeidua serotina, formed from the mucous membrane of the uterus. 2nd. The prechorion, from the somatopleure. 3rd. The allantois from the splanchnopleure. 4th. The amnion from the 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 Keith, Arthur, Sir, 1866-1955. London : E. Arnold


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectembryol, bookyear1902