File:His1897 fig03.jpg

Fig. 3. Photographic reproduction of a black-board drawing made by Prof. His for his Lecture

It gives a diagrammatic representation of a transverse section through the rhombic or hind-brain (medulla oblongata), and is specially intended to show the alar and basal longitudinal laminae of the lateral wall of the tube. Into the alar lamina the sensory fibres from the cells of the ganglion of the tenth nerve (vagus) are entering, so as to form a longitudinal column of fibres cut transversely and lying close to the surface. This is the - solitary tract - which later becomes deeply buried within the substance of the medulla. The neuroblasts of the nuclei of origin of the twelfth (hypoglossal) and of the eleventh or spinal accessory nerves are seen sending their motor fibres out from the medulla.

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Reference

His W. Address upon the development of the brain. (1897) Trans. Royal Acad. Medicine Ireland.

Cite this page: Hill, M.A. (2024, April 25) Embryology His1897 fig03.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:His1897_fig03.jpg

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