Archive image from page 109 of The development of the albino. The development of the albino rat, Mus norvegicus albinus . developmentofalb00hubeuoft Year: [1915] DEVELOPMENT OF THE AIJHXO ItAT 105 Fig. 32 Three cross sections from egg-cj'lindcrs of the albino rat, show- ing early stages in the development of the mesoderm. X 200. A and B, rat No. 34, 8 days, 17 hours; C, rat No. 41, 8 days, 16 hours, after insemination. These sections taken from three egg-cylinders are through the primary embr}'- onic ectoderm, near its junction with the extraembryonic ectoderm, thus through the antimesomet
Archive image from page 109 of The development of the albino. The development of the albino rat, Mus norvegicus albinus . developmentofalb00hubeuoft Year: [1915] DEVELOPMENT OF THE AIJHXO ItAT 105 Fig. 32 Three cross sections from egg-cj'lindcrs of the albino rat, show- ing early stages in the development of the mesoderm. X 200. A and B, rat No. 34, 8 days, 17 hours; C, rat No. 41, 8 days, 16 hours, after insemination. These sections taken from three egg-cylinders are through the primary embr}'- onic ectoderm, near its junction with the extraembryonic ectoderm, thus through the antimesometrial portion of the proamniotic cavitj\ A, early stage, in anlage of the mesoderm; B, anlage of the primitive streak and groove; C, well developed primitive streak and groove, with lateral wings of mesoderm; ect., primary embrj'onic ectoderm; , primarj embryonic entoderm; mes., mesoderm; , primitive streak; , primitive groove; , parie- tal or transitory ectoderm; , proanmiotic cavity. cell proliferation. The cells of this region have not the form of tall columnar cells, such as seen in the greater part of the remaining primary embryonic ectoderm, but are of polyhedral
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Keywords: 190, archive, book, bookauthor, bookdecade, bookpublisher:philadelphia_pa, booksponsor:msn, booksubject:embryology_mammals, booksubject:rats, bookyear:1915, drawing, historical, history, huber_gotthelf_carl_1865_, illustration, image, page, picture, print, reference, vintage
