File:Aves A. Intermediate stage of the formation of the primitive streak of the sparrow and B. Fully formed primitive streak.jpg
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Summary
[edit]DescriptionAves A. Intermediate stage of the formation of the primitive streak of the sparrow and B. Fully formed primitive streak.jpg |
Fig. 36. — A. Intermediate stage of the formation of the primitive streak of the sparrow (Passer domesticus). (After Schaninsland.) |
Date | |
Source | https://archive.org/details/developmentofchi00lill/page/72/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:Entoderm]
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:08, 11 April 2024 | ![]() | 814 × 1,297 (1,006 KB) | Rasbak (talk | contribs) | |description=Fig. 36. — A. Intermediate stage of the formation of the primitive streak of the sparrow. (After Schaninsland.)<br> B. Fully formed primitive streak of the sparrow. (After Schaninsland.)<br> a. o., Area opaca. a. p., Area pellucida. Ent. Th., Thickening of entoderm. Mes., Mesoderm, pr. f., Primitive fold. pr. gr., Primitive groove. pr. p., Primitive pit. pr. str., Primitive streak, s. gr., Sickle groove. |date=1908 |source=https://archive.org/details/developmentofchi00lill/page/8... |
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