Nasopalatine nerve

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Nerve: Nasopalatine nerve
Nerves of septum of nose. Right side (Nasopalatine is lower yellow line.)
The sphenopalatine ganglion and its branches. (Termination of nasopalatine nerve labeled at bottom left.)
Latin	nervus nasopalatinus
Gray's	subject #200 893
From	maxillary nerve, pterygopalatine ganglion
Dorlands / Elsevier	n_05/12566280

One branch of the posterior superior nasal branches, longer and larger than the others, is named the nasopalatine nerve (sometimes called the long sphenopalatine nerve).

It enters the nasal cavity through the sphenopalatine foramen, passes across the roof of the nasal cavity below the orifice of the sphenoidal sinus to reach the septum, and then runs obliquely downward and forward between the periosteum and mucous membrane of the lower part of the septum.

It descends to the roof of the mouth through the incisive canal and communicates with the corresponding nerve of the opposite side and with the greater palatine nerve.

It supplies the palatal structures around the upper central and lateral incisors (the upper front four teeth).

It also furnishes a few filaments to the mucous membrane of the nasal septum.

Additional images

Base of skull. Inferior surface.

See also

• Foramina of Scarpa

External links

• MedEd at Loyola GrossAnatomy/h_n/cn/cn1/cnb2.htm
• Norman/Georgetown lesson9 (nasalseptumner)
• Diagram 1 at adi-visuals.com
• Diagram 2 at adi-visuals.com

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 As such, some of the information contained herein may be outdated.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

v • d • e The cranial nerves: 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) 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 (middle, anterior) - internal nasal branches on face inferior palpebral - external nasal - superior labial (infraorbital plexus)
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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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .