Self-Discipline: 3 Books in 1: Empath + Stoicism + Vagus Nerve And Overthinking. Discover Scientific and Philosophical Techniques to Control and Increase Energy and Improve Your Health In Daily Life. by John Harper

Author:John Harper [Harper, John]
Language: eng
Format: epub
Published: 2020-05-23T17:00:00+00:00

It is the IV-arch structure and thus integrates the derivatives of pharyngeal and laryngeal arch. The afferent fibers of the upper laryngeal nerve come from the lower Vagus nerve ganglion. This section receives some sympathetic cervical ganglion fibers. The upper laryngeal nerve passes between the external and internal carotid arteries at the level crossing of the hypoglossal nerve (CN XII). At the edge of the hyoid bone, under the mandible, it splits into external and internal branches.

The internal laryngeal division is entered by a thyrohyoid membrane into the larynx and comprises most of the mucosa beyond the glottis.

The outer laryngeal branch travels to the lower pharyngeal muscle. The branch is integral to a laryngeal muscle called the muscle of the cricothyroid. The laryngeal nerve, which is another branch of the Vagus nerve mentioned below, intertwines all other intrinsic laryngeal muscles.

- Recurrent laryngeal nerves

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