File:Mall1912-fig13.jpg
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Fig. 13. Sagittal section Embryo 14 mm long
(No. 144). X 40.
In a sagittal section of an embryo 14 mm long (fig. 13) the bundle is recognizable throughout its extent by its surrounding spaces and not by its staining properties. In 175 (fig. 12) the bundle can be followed into the two ventricles. The same structure and arrangement is made out in embryos 15.2 mm. (423), 15.5 mm (390), 16 mm (409, fig. 29) and 17.2 mm (424, fig. 14). In older specimens the interventricular foramen is just closed and the bundle reaches to it from the region of the sinus. Two limbs are easily outlined, one of which reaches to the moderator band of the right ventricle, which is pronounced in the human embryo.
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Reference
Mall FP. On the development of the human heart. (1912) Amer. J Anat. 13: 249-298.
Cite this page: Hill, M.A. (2024, June 5) Embryology Mall1912-fig13.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Mall1912-fig13.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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