. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 4. Vagus nerves. The cells which constitute the anlagen of the myenteric and sub- mucous plexuses, the pulmonary plexuses, and the cardiac plexus have thus been traced to their origin in the vagus ganglia and the walls of the hind-brain. Is this source sufficient to account for the multi- tudes of nervous elements found in these plexuses before such elements can be supplied from the ganglia of the sympathetic trunks? In sections taken at right gc- angles to the trunk in the head region of embryos 10 mm in length, medullary ce
. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 4. Vagus nerves. The cells which constitute the anlagen of the myenteric and sub- mucous plexuses, the pulmonary plexuses, and the cardiac plexus have thus been traced to their origin in the vagus ganglia and the walls of the hind-brain. Is this source sufficient to account for the multi- tudes of nervous elements found in these plexuses before such elements can be supplied from the ganglia of the sympathetic trunks? In sections taken at right gc- angles to the trunk in the head region of embryos 10 mm in length, medullary cells are ob- served migrating from the walls of the hind-brain into the root- - lets of the vagus and spinal ac- Fig. 3. Section of wall of hind-brain CeSSOry UCrveS (Fig. 3 VT.). That through vagus rootlets. X 1^0. gc. germ thcSe CClls Wauder OUt in COU- cells of His. ic. indifferent cells. »6. neuro- • j i i u „ „ 4. u^ blasts, vr. vagus rootlets. sidcrablc numbers can not be. 1) Abhandl. Klasse d. Kgl. Sachs. Gesellsch. d. Wiss., Bd. 8, Leipzig Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Anatomische Gesellschaft. Jena : G. Fischer
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