File:Bailey084.jpg

From Embryology

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Fig. 84. Dorso-lateral view of human embryo with fourteen pairs of mesodermal somites

(2.5 mm.) Kollmann.

In Fig. 84, showing the dorso-lateral aspect of an embryo 2.5 mm. long and possessing 14 primitive segments, the beginning of the head, the cephalic flexure, the oral fossa, the protrusion in the cervical region caused by the heart, the belly stalk, and the constriction between body and yolk sac are all clearly indicated. It is worthy of note that the heart appears in the cervical region; during later development it recedes into thorax.


Links: Fig. 84 in text


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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)

Reference

Bailey FR. and Miller AM. Text-Book of Embryology (1921) New York: William Wood and Co.



Cite this page: Hill, M.A. (2024, June 19) Embryology Bailey084.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Bailey084.jpg

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