. The physiology of reproduction. Reproduction. FCETAL NUTRITION: THE PLACENTA 455 by the plasmodiblasfc, and is replaced by foetal elements. In the ripe placenta the only maternal constituent is blood, except a Fig. 116.—Uterus and embryo of Sorex (Hubrecht). , allantoidean trophoblast with knobs entering the epithelial crypts (Or.); am,., amnion ; all., free knob projecting into the extra-embryonic ccelom (); , area vasculosa ; an', embryonic cells which grow downwards from the upper rim of the trophoblastic annulus (), and adhere against the maternal tissue; ,
. The physiology of reproduction. Reproduction. FCETAL NUTRITION: THE PLACENTA 455 by the plasmodiblasfc, and is replaced by foetal elements. In the ripe placenta the only maternal constituent is blood, except a Fig. 116.—Uterus and embryo of Sorex (Hubrecht). , allantoidean trophoblast with knobs entering the epithelial crypts (Or.); am,., amnion ; all., free knob projecting into the extra-embryonic ccelom (); , area vasculosa ; an', embryonic cells which grow downwards from the upper rim of the trophoblastic annulus (), and adhere against the maternal tissue; , non-placental trophoblast; Gl., glands; M., mesometrium. thin discoid sheet of nuclear remnants next the muscularis. The glands are not penetrated by vascular vilh. In the early stages they are plugged by syncytium and later 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 Marshall, F. H. A. (Francis Hugh Adam), 1878-1949; Cramer, William, 1878-1945; Lochhead, James. London, New York, Longmans, Green
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectreproduction, bookyea
