Nerve to the stapedius

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Nerve: Nerve to the stapedius
Latin	nervus stapedius
Gray's	subject #202 904
Innervates	Stapedius
From	facial nerve
Dorlands / Elsevier	n_05/12566754

The Nerve to the Stapedius (tympanic branch) arises opposite the pyramidal eminence.

It passes through a small canal in this eminence to reach the muscle.

[edit] External links

nerve+to+stapedius+muscle at eMedicine Dictionary
Norman/Georgetown cranialnerves (VII)

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 As such, some of the information contained herein may be outdated.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.

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v • d • e

Nerves of head and neck: the cranial nerves and nuclei

olfactory (AON->I)

olfactory bulb - olfactory tract

optic (LGN->II)

optic chiasm - optic tract

oculomotor (ON,EWN->III)

superior branch (parasympathetic root of ciliary ganglion/ciliary ganglion) - inferior branch

trochlear (TN->IV)

no significant branches

trigeminal (PSN,TSN,MN,TMN->V)

trigeminal ganglion • ophthalmic • maxillary • mandibular

abducens (AN->VI)

no significant branches

facial (FMN,SN,SSN->VII)

near origin	nervus intermedius • geniculate

inside facial canal	greater petrosal (pterygopalatine ganglion) - nerve to the stapedius - chorda tympani (lingual nerve, submandibular ganglion)

at stylomastoid foramen	posterior auricular - suprahyoid (digastric, stylohyoid) - parotid plexus (temporal, zygomatic, buccal, mandibular, cervical)

vestibulocochlear (VN,CN->VIII)

cochlear (striae medullares, lateral lemniscus) • vestibular (Scarpa's ganglion)

glossopharyngeal (NA,ISN,SN->IX)

before jugular fossa	ganglia (superior, inferior)

after jugular fossa	tympanic (tympanic plexus, lesser petrosal, otic ganglion) • stylopharyngeal branch • pharyngeal branches • tonsillar branches • lingual branches • carotid sinus

vagus (NA,DNVN,SN->X)

before jugular fossa	ganglia (superior, inferior)

after jugular fossa	meningeal branch - auricular branch

neck	pharyngeal branch (pharyngeal plexus) - superior laryngeal (external, internal) - recurrent laryngeal (inferior) - superior cervical cardiac

thorax	inferior cardiac - pulmonary - vagal trunks (anterior, posterior)

abdomen	celiac - renal - hepatic - anterior gastric - posterior gastric