Nerve to the stapedius

Nerve: Nerve to the stapedius
Latin	nervus stapedius
Gray's	subject #202 904
Innervates	Stapedius
From	facial nerve

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.

External links

nerve+to+stapedius+muscle at eMedicine Dictionary
cranialnerves at The Anatomy Lesson by Wesley Norman (Georgetown University) (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 As such, some of the information contained within it may be outdated.

Nerves of head and neck: the cranial nerves and nuclei (TA A14.2.01, GA 9.855)

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

accessory (NA, SAN->XI)

cranial · spinal

hypoglossal (HN->XII)

lingual branches

M: PNS

anat(h/r/t/c/b/l/s/a)/phys(r)/devp/prot/nttr/nttm/ntrp

noco/auto/cong/tumr, sysi/epon, injr

proc, drug(N1B)