File:Keibel Mall 2 437.jpg

From Embryology

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Fig. 437. Cross sections of injected chick embryos showing the development of the dorsal segmental vessels

A, cross section of a chick of 50 hours (24 somites), showing the 15th dorsal segmental vessels;

B, a chick 60 hours old;

C, 78 hours old;

D, 116 hours old: all in the neighborhood of the 20th segmental vessels.

S.A., dorsal segmental artery; P, C, posterior cardinal vein; S.V., dorsal segmental vein; S. C.P., spinal ganglion's capillary plexus; R.B., ventral radicular branch of the segmental artery; S., first extra-myotomal or skin branch of the segmental artery; A. C, a. centralis; S. P., superficial capillaries without the myotome; /., probable intercostal artery.

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XVIII. Development of Blood, Vascular System and Spleen: Introduction | Origin of the Angioblast and Development of the Blood | Development of the Heart | The Development of the Vascular System | General | Special Development of the Blood-vessels | Origin of the Blood-vascular System | Blood-vascular System in Series of Human Embryos | Arteries | Veins | Development of the Lymphatic System | Development of the Spleen


Keibel F. and Mall FP. Manual of Human Embryology II. (1912) J. B. Lippincott Company, Philadelphia.

Cite this page: Hill, M.A. (2024, April 17) Embryology Keibel Mall 2 437.jpg. Retrieved from

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