Superior laryngeal nerve

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Nerve: Superior laryngeal nerve
Plan of upper portions of glossopharyngeal, vagus, and accessory nerves. ("Laryngeal" labeled at lower right.)
Course and distribution of the glossopharyngeal, vagus, and accessory nerves. (Branches visible in upper right.)
Latin	nervus laryngeus superior
Gray's	subject #205 912
Innervates	larynx
From
To
MeSH	[1]

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.

It descends, by the side of the pharynx, behind the internal carotid artery, and divides into two branches:

• external laryngeal nerve
• internal laryngeal nerve

See also

• Recurrent laryngeal nerve
• Laryngeal nerve

Additional images

The position and relation of the esophagus in the cervical region and in the posterior mediastinum. Seen from behind.

External links

• GPnotebook -2066743236
• Dictionary at eMedicine Superior+laryngeal+nerve
• Norman/Georgetown cranialnerves (X)

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

Nerves of head and neck: the cranial nerves

I-IV: olfactory - optic - oculomotor - trochlear

V: trigeminal: trigeminal ganglion
V1: ophthalmic: lacrimal - frontal (supratrochlear, supraorbital) - nasociliary (long root of ciliary, long ciliary, infratrochlear, posterior ethmoidal, anterior ethmoidal) - ciliary ganglion (short ciliary)
V2: maxillary: middle meningeal - in the pterygopalatine fossa (zygomatic, zygomaticotemporal, zygomaticofacial, sphenopalatine, posterior superior alveolar)
in the infraorbital canal/infraorbital nerve (middle superior alveolar, anterior superior alveolar)
on the face (inferior palpebral, external nasal, superior labial, infraorbital plexus) - pterygopalatine ganglion (deep petrosal, nerve of pterygoid canal)
branches of distribution (palatine, nasopalatine, pharyngeal)
V3: mandibular: nervus spinosus - medial pterygoid - anterior (masseteric, deep temporal, buccal, lateral pterygoid)
posterior (auriculotemporal, lingual, inferior alveolar, mylohyoid, mental) - otic ganglion - submandibular ganglion

VI: abducens

VII: facial: nervus intermedius - geniculate - inside facial canal (greater petrosal, nerve to the stapedius, chorda tympani)
at exit from stylomastoid foramen (posterior auricular, digastric - stylohyoid)
on face (temporal, zygomatic, buccal, mandibular, cervical)

VIII: vestibulocochlear: cochlear (striae medullares, lateral lemniscus) - vestibular

IX: glossopharyngeal: fasciculus solitarius - nucleus ambiguus - ganglia (superior, petrous) - tympanic - carotid sinus

X: vagus: ganglia (jugular, nodose) - Alderman's nerve - in the neck (pharyngeal branch, superior laryngeal ext and int, recurrent laryngeal)
in the thorax (pulmonary branches, esophageal plexus) - in the abdomen (gastric plexuses, celiac plexus, gastric plexus)

XI: accessory XII: hypoglossal