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Encyclopedia > Internal laryngeal nerve
Nerve: Internal laryngeal nerve
Course and distribution of the glossopharyngeal, vagus, and accessory nerves. (Interal branch of superior laryngeal labeled at center right.)
Latin ramus internus nervi laryngei superioris
Gray's subject #205 912
From superior laryngeal nerve
Dorlands/Elsevier r_02/12690381

The internal laryngeal nerve is the internal branch (ramus internus) of the superior laryngeal nerve. It descends to the hyothyroid membrane, pierces it in company with the superior laryngeal artery, and is distributed to the mucous membrane of the larynx. Image File history File links Download high resolution version (432x1000, 114 KB) Summary Licensing File links The following pages link to this file: Vagus nerve Glossopharyngeal nerve Accessory nerve Wikipedia:Grays Anatomy images with missing articles 16 Recurrent laryngeal nerve List of images in Grays Anatomy: IX. Neurology... Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ... The Superior Laryngeal Nerve arises from the middle of the ganglion nodosum and in its course receives a branch from the superior cervical ganglion of the sympathetic. ... Elseviers logo. ... The Superior Laryngeal Nerve arises from the middle of the ganglion nodosum and in its course receives a branch from the superior cervical ganglion of the sympathetic. ... The hyothyroid membrane (thyrohyoid membrane) is a broad, fibro-elastic layer, attached below to the upper border of the thyroid cartilage and to the front of its superior cornu, and above to the upper margin of the posterior surface of the body and greater cornua of the hyoid bone, thus... The superior laryngeal artery accompanies the internal laryngeal branch of the superior laryngeal nerve, beneath the Thyreohyoideus; it pierces the hyothyroid membrane, and supplies the muscles, mucous membrane, and glands of the larynx, anastomosing with the branch from the opposite side. ... The mucous membranes (or mucosae; singular: mucosa) are linings of ectodermic origin, covered in epithelium, and are involved in absorption and secretion. ... The pharynx (plural pharynx), or voicebox, is an organ in the neck of mammals involved in protection of the trachea and sound production. ...

Of these branches some are distributed to the epiglottis, the base of the tongue, and the epiglottic glands; others pass backward, in the aryepiglottic fold, to supply the mucous membrane surrounding the entrance of the larynx, and that lining the cavity of the larynx as low down as the vocal folds. Haha u cant see this b/c wiess The epiglottis is a thin, lid-like flap of cartilage tissue covered with a mucous membrane, attached to the root of the tongue, that guards the entrance of the glottis, the opening between the vocal cords. ... The tongue is the large bundle of skeletal muscles on the floor of the foot that manipulates food for chewing and swallowing, (deglutition). ... The entrance of the larynx (Fig. ...

A filament descends beneath the mucous membrane on the inner surface of the thyroid cartilage and joins the recurrent nerve. The cartilages of the larynx. ... The recurrent laryngeal nerve is a branch of the vagus nerve (the tenth cranial nerve) that supplies motor function and sensation to the larynx (voice box). ...

Above the vocal folds the sensory innervation of the larynx is via the INTERNAL LARYNGEAL NERVE. Below the vocal folds it is by way of branches of the RECURRENT LARYNGEAL NERVE.


Irritation of the internal laryngeal nerve results in uncontrolled coughing - usually as a result of food or water in the laryngopharynx. The pharynx is the part of the digestive system of many animals immediately behind the mouth and in front of the esophagus. ...

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