File:Aves Surface views of two stages of the blastoderm of the egg of the sparrow.jpg
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editDescriptionAves Surface views of two stages of the blastoderm of the egg of the sparrow.jpg |
Fig. 35. — Surface views of two stages of the blastoderm of the egg of the sparrow. (After Schaiiinsland.) |
Date | |
Source | https://archive.org/details/developmentofchi00lill/page/71/mode/1up?view=theater The development of the chick; an introduction to embryology. NEW YORK HENRY HOLT AND COMPANY 1908 |
Author | Lillie, Frank Rattray |
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[[Category:Blastoderm] [[Category:Endoderm]
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current | 00:19, 12 April 2024 | ![]() | 1,456 × 789 (883 KB) | Rasbak (talk | contribs) | {{information |description=Fig. 35. — Surface views of two stages of the blastoderm of the egg of the sparrow. (After Schaiiinsland.)<br> A. Before the appearance of the primitive streak.<br> B. The first appearance of the primitive streak.<br> a. o., Area opaca. a. p., Area pellucida. Ent. Th., Thickening of entoderm, pr. str., Primitive streak. |date=1908 |source=https://archive.org/details/developmentofchi00lill/page/71/mode/1up?view=theater The development of the chick; an introduction to... |
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