File:Kollmann351.jpg

Fig. 351. Head and Face in profile of a human embryo of 11.3 mm CRL

(After Rabl.)

The head is erect, because the consideration of the down on the chest complicate the understanding of the bent head shapes would substantially. Compare the figures 349 and 350, which the head of the same embryo in half-profile and in the present norma frontalis. At the mandibular and the hyoid arch, on both sides of the outer gill pocket several I. Noticeable humps, the auricular hillock, Colliculi auricular.

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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 25) Embryology Kollmann351.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Kollmann351.jpg

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Fig. 351. Kopf und Gesicht eines menschlichen Embryo

von 11,3 nim Nackensteißlänge. Im Profil.

(Nach Rabl.)

Der Kopf ist aufgerichtet, weil die Betrachtung des auf die Brust herab gesenkten Kopfes das Verständnis der Formen wesentlich erschweren würde. Man vergleiche die Figuren 349 und 350, welche den Kopf des nämlichen Embryo im Halbprofil und in der Norma frontalis darstellen. Am Mandibular- und am Hyoidbogen sind zu beiden Seiten der I. äußeren Kiementasche mehrere Höcker bemerkbar, die Aurikularhöcker, CoUicuh auriculares.