File:Keibel1910 fig15.jpg

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Fig. 15. Top view of egg 14 days 19 hrs old

Top view of egg 14 days 19 hrs. old. Blastopore much reduced, circular. The yolk plug is not visible in this egg. Lateral and transverse portions of neural fold united to form continuous fold around anterior portion of embryo. Lateral boundaries of posterior portion of embryo not defined. Neural groove not as long, nor as distinct as in preceding stage. Dark crescentic area in front of embryo is segmentation cavity. (X 10.)


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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)
Salamander Links: Plate 1 | Plate 2 | Plate 3 | Normal Plates of the Development of the Salamander
Normal Plates Series: 1897 Pig | 1900 Chicken | 1901 Lungfish | 1904 Sand Lizard | 1905 Rabbit | 1906 Deer | 1907 Tarsiers | 1908 Human | 1909 Northern Lapwing | 1909 South American and African Lungfish | 1910 Salamander | Franz Keibel | Embryology History

Reference

Eycleshymer AC. and Wilson JM. Normal Plates of the Development of the Salamander Embryo (Nectürüs maculosus). Vol. 11 in series by Keibel F. Normal plates of the development of vertebrates (Normentafeln zur Entwicklungsgeschichte der Wirbelthiere) Fisher, Jena., Germany.


Cite this page: Hill, M.A. (2024, April 16) Embryology Keibel1910 fig15.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Keibel1910_fig15.jpg

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