File:Kollmann542.jpg

From Embryology

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Fig. 542. Aortic arch to the left of a human embryo of 9 mm length

Original image magnification x 75 times.

(According to Tandler.)


In this embryo is the most recent discovered in the sixth time aortic developed aortic arch, the fifth well in the series. Thus the number of aortic arch directly to the reptiles. the Division of the bulbus aortae into a trunk of the aorta and pulmonary trunk is just going to take place from above downwards are the aortas wells are located in the foregut. The inner gill-pouches are shown particularly clearly. It should be noted that the outer contour of pharyngeal epithelium has served as a border.


This text is a Google translate computer generated translation and may contain many errors.

Images from - Atlas of the Development of Man (Volume 2)

(Handatlas der entwicklungsgeschichte des menschen)

Kollmann Atlas 2: Gastrointestinal | Respiratory | Urogenital | Cardiovascular | Neural | Integumentary | Smell | Vision | Hearing | Kollmann Atlas 1 | Kollmann Atlas 2 | Julius Kollmann
Links: Julius Kollman | Atlas Vol.1 | Atlas Vol.2 | Embryology History
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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

Kollmann JKE. Atlas of the Development of Man (Handatlas der entwicklungsgeschichte des menschen). (1907) Vol.1 and Vol. 2. Jena, Gustav Fischer. (1898).



Cite this page: Hill, M.A. (2024, April 13) Embryology Kollmann542.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Kollmann542.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

Fig. 542. Aortenbogen der linken Seite von einem menschlichen Embryo von

9 mm sröfiter Länge.

Vergr. 75 mal. (Nach Tandler.)


Bei diesem Embryo ist der erst in der jüngsten Zeit entdeckte 6. Aorten- bogen, der fünfte in der Reihe deutlich entwickelt. Dadurch schliefet sich der Mensch bezüglich der Zahl der Aortenbogen direkt an die Reptilien an. Die Teilung des Bulbus aortae in einen Truncus aortae und Truncus pulmonalis ist eben im Begriff, von oben nach abwärts sich zu vollziehen. Die Aorten liegen in Vertiefungen des Kopfdarms. Die inneren Kiementaschen werden dadurch besonders deutlich erkennbar. Dabei ist zu bemerken, daß der äußere Kontur des Pharynxepithels als Grenze gedient hat.

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