File:Evans1909 fig07-08.jpg

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Figs. 7 and 8. Chick embryo of 17 and 21 somites

Fig. 7. View or a total mount of an injected chick embryo of 17 somites, showing the duct of Cuvier and subadjacent region. (X 80.) a = anterior cardinal vein; b = duct of Cuvier; c = 10th segmental vessel; P. C. V. = capillaries from which the poterior cardinal vein is formed; x = endothelial sprout representing the 11th segmental vessel.

Fig. 8. View or a total mount of an injected chick embryo of 21 somites. showing the duct of Cuvier and subjacent region. (x 80.) The lettering is the same as in the preceding figure, with the exception of x, which represents the 14th segmental vessel. One sees the segmental capillaries biturcate often into anterior and posterior sprouts. the union of which makes the continuation of the vein.


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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)

Evans (1909) Figures: 1 Chick 17 somites | 2 Chick 20 somites | 3 Chick 23 somites | 6 Chick lateral 25 somites |

Reference

Evans HM. On the development of the aortae, cardinal and umbilical veins, and the other blood vessels of vertebrate embryos from capillaries. (1909) Anat. Rec. 3: 498-518.



Cite this page: Hill, M.A. (2024, June 25) Embryology Evans1909 fig07-08.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Evans1909_fig07-08.jpg

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