Middle superior alveolar nerve

Middle superior alveolar nerve
Distribution of the maxillary and mandibular nerves, and the submaxillary ganglion.
Alveolar branches of superior maxillary nerve and sphenopalatine ganglion.
Details
Identifiers
Latin	ramus alveolaris superior medius nervi maxillaris
TA	A14.2.01.051
FMA	53932
*Anatomical terms of neuroanatomy* [edit on Wikidata]

The middle superior alveolar nerve is a nerve that drops from the infraorbital portion of the maxillary nerve to supply the sinus mucosa, the roots of the maxillary premolars, and the mesiobuccal root of the first maxillary molar. It is not always present; and in the majority of cases it is non existent with the posterior superior alveolar nerve innervating the premolars and molars alone.

External links

MedEd at Loyola GrossAnatomy/h_n/cn/cn1/cnb2.htm

The trigeminal nerve

ophthalmic (V1)

frontal	supratrochlear supraorbital lateral branch medial branch

nasociliary	long ciliary infratrochlear posterior ethmoidal anterior ethmoidal external nasal internal nasal sensory root of ciliary ganglion ciliary ganglion

other	lacrimal

maxillary (V2)

in meninges

middle meningeal

in pterygopalatine fossa

zygomatic
- zygomaticotemporal
- zygomaticofacial
pterygopalatine
- pterygopalatine ganglion see below for details
posterior superior alveolar

in infraorbital canal

infraorbital nerve:	superior alveolar anterior middle posterior internal nasal branches

on face

mandibular (V3)

in meninges	meningeal

anterior	to muscles of mastication medial pterygoid/to tensor veli palatini lateral pterygoid masseteric deep temporal buccal

posterior	auriculotemporal otic ganglion lingual submandibular ganglion inferior alveolar mylohyoid mental

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