. The development of the albino rat, Mus norvegicus albinus. Embryology -- Mammals; Rats. DKVJOLOl'.MEXT OF IIIK |{.\'I- /.) ill his l;il('i- foiiiiiiiinical ions. \'('sic|c A, li^ufc ;). when coin- pared with xcsiclc ( ' of fi^ui-c 21, sliows only ;i sli^^lit (lincrcncc in degree of development. Vesicle .\ is of nioi-e elon^::i1ed and of more distinc11\- cNlindrical form. \\< 1 hin-walled portion (an- ^m^. ^â â '-". yS^ l.\ 1 c Fig. 25 Longitudinal sections of blastoilcrniic vesicles of the albino rat, show- ing entypj' or inversion of germ layers with early stages in e
. The development of the albino rat, Mus norvegicus albinus. Embryology -- Mammals; Rats. DKVJOLOl'.MEXT OF IIIK |{.\'I- /.) ill his l;il('i- foiiiiiiiinical ions. \'('sic|c A, li^ufc ;). when coin- pared with xcsiclc ( ' of fi^ui-c 21, sliows only ;i sli^^lit (lincrcncc in degree of development. Vesicle .\ is of nioi-e elon^::i1ed and of more distinc11\- cNlindrical form. \\< 1 hin-walled portion (an- ^m^. ^â â '-". yS^ l.\ 1 c Fig. 25 Longitudinal sections of blastoilcrniic vesicles of the albino rat, show- ing entypj' or inversion of germ layers with early stages in egg-cj'linder formation. The ectoplacental cone of each is not cut through its entire length and the lower portion ot each vesicle is slightIj' folded. X 200. A, B, and C, rat No. 35, 8 days, 18 hours, after insemination. To fit properly into the entire series these three vesicles should be from the early hours of the seventh day after insemina- tion. , ectoplacental cone or Trager; , ectodermal node; ex. eel., extraembrj^onic ectoderm, early stage of its ingrowth shown in vesicle A; p. eel., parietal or transitory ectoderm; , visceral layer of entoderm; , cells of parietal entoderm. timesometrial portion) is longer, its cavity more extensive; this is owing to a further flattening of the cells of the parietal or transitory ectoderm. In vesicle A in the section preceding the one figured, the ectoplacental cone is thicker by about two. 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 Huber, Gotthelf Carl, 1865-. Philadelphia, Pa
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Keywords: ., bookcontributorgerste, bookpublisherphiladelphiapa, bookyear1915
