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Information about Nasopalatine Nerves

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.)
Latinnervus nasopalatinus
subject #200 893
Frommaxillary nerve, sphenopalatine 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

External links

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 As such, some of the information contained herein may be outdated.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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The cranial nerves: trigeminal nerve
V1 - ophthalmiclacrimal • frontal (supratrochlear, supraorbital) • nasociliary (long root of ciliary, long ciliary, infratrochlear, posterior ethmoidal, anterior ethmoidal) • ciliary ganglion (short ciliary)
V2 - maxillarymiddle 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 (greater palatine, lesser palatine, nasopalatine, pharyngeal)
V3 - mandibularmeningeal • medial pterygoid • anterior (masseteric, deep temporal, buccal, lateral pterygoid) posterior (auriculotemporal, lingual, inferior alveolar, mylohyoid, mental) • otic ganglion • submandibular ganglion
Latin}}} 
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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The maxillary nerve (superior maxillary nerve), or second division of the trigeminal, is a sensory nerve.

It is intermediate, both in position and size, between the ophthalmic nerve and the mandibular nerve.
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The pterygopalatine ganglion (or sphenopalatine ganglion) is a parasympathetic ganglion found in the pterygopalatine fossa.

Structure

The pterygopalatine ganglion (of Meckel), the largest of the parasympathetic ganglia associated with the branches of the trigeminal
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Elsevier, the world's largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. Based in Amsterdam, the company has substantial operations in the UK, USA and elsewhere.
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The nasal cavity (or nasal fossa) is a large air-filled space above and behind the nose in the middle of the face.

Function

The nasal cavity conditions the air to be received by the areas of the respiratory tract.
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The sphenopalatine foramen is a foramen in the skull that connects the nasal cavity with the pterygopalatine fossa.

Structure

The processes of the superior border of the palatine bone are separated by the sphenopalatine notch
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The nasal cavity (or nasal fossa) is a large air-filled space above and behind the nose in the middle of the face.

Function

The nasal cavity conditions the air to be received by the areas of the respiratory tract.
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The sphenoidal sinuses (or sphenoid) contained within the body of the sphenoid vary in size and shape; owing to the lateral displacement of the intervening septum they are rarely symmetrical.

The following are their average measurements: vertical height, 2.2 cm.
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septum (Latin: something that encloses; plural Septa) is a partition separating two cavities or spaces. Examples include:
  • Nasal septum: the cartilage wall separating the nostrils of the human nose.

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The periosteum is a thin layer of dense, irregular connective tissue membrane that covers the outer surface of a bone in all places except at joints. (The outer surface of bone at joints is covered with "articular cartilage", a type of hyaline cartilage.
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septum (Latin: something that encloses; plural Septa) is a partition separating two cavities or spaces. Examples include:
  • Nasal septum: the cartilage wall separating the nostrils of the human nose.

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incisive canals or foramina of Stenson.

Through each of them passes the terminal branch of the descending palatine artery and the nasopalatine nerve.

Additional images



Left maxilla. Nasal surface.

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The greater palatine nerve (anterior palatine nerve) descends through the greater palatine canal, emerges upon the hard palate through the greater palatine foramen, and passes forward in a groove in the hard palate, nearly as far as the incisor teeth.
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Palatal consonants are consonants articulated with the body of the tongue raised against the hard palate (the middle part of the roof of the mouth). Consonants with the tip of the tongue curled back against the palate are called retroflex.
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The nasal septum separates the left and right airways in the nose, dividing the two nostrils.

It is depressed by the Depressor septi nasi muscle.

Composition

The fleshy external end of the nasal septum is sometimes also called columella.
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foramina of Scarpa, and when present transmit the nasopalatine nerves, the left passing through the anterior, and the right through the posterior canal.

External links

  • synd/2927 at Who Named It

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Loyola University Chicago is a private co-educational religious-affiliated university established in Chicago in 1870 as Saint Ignatius College. It was founded by the Roman Catholic religious order of the Society of Jesus and bears the name of the Jesuit patron, Saint Ignatius of
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Georgetown University is a private, Jesuit, research university, located in Washington, D.C.'s Georgetown neighborhood. Father John Carroll founded the school in 1789, though its roots extend back to 1634.
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Public domain comprises the body of knowledge and innovation (especially creative works such as writing, art, music, and inventions) in relation to which no person or other legal entity can establish or maintain proprietary interests within a particular legal jurisdiction.
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Henry Gray's Anatomy of the Human Body (or Gray's Anatomy as it has commonly been shortened) is an English-language human anatomy textbook widely regarded as a classic work on the subject.
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Cranial nerves are nerves that emerge directly from the brain in contrast to spinal nerves which emerge from segments of the spinal cord. Although thirteen cranial nerves in humans fit this description, twelve are conventionally recognized.
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The trigeminal nerve (the fifth cranial nerve, also called the fifth nerve or simply V) is responsible for sensation in the face. It is similar to the spinal nerves C2–S5, which are responsible for sensation in the rest of the body.
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The ophthalmic nerve is one of the three branches of the trigeminal nerve, the fifth cranial nerve. Like the maxillary branch of the trigeminal nerve, the ophthalmic branch carries sensory fibers only.
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The lacrimal nerve is the smallest of the three branches of the ophthalmic.

It sometimes receives a filament from the trochlear nerve, but this is possibly derived from the branch which goes from the ophthalmic to the trochlear nerve.
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The frontal nerve is the largest branch of the ophthalmic, and may be regarded, both from its size and direction, as the continuation of the nerve.

It enters the orbit through the superior orbital fissure, and runs forward between the Levator palpebræ superioris and the
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The supraorbital nerve is a terminal branch of the frontal nerve.

It passes through the supraorbital foramen, and gives off, in this situation, palpebral filaments to the upper eyelid.
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The nasociliary nerve is a branch of the ophthalmic nerve. It is intermediate in size between the two other main branches of the ophthalmic nerve, the frontal nerve and the lacrimal nerve, and is more deeply placed.
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The long root of the ciliary ganglion usually arises from the nasociliary between the two heads of the lateral rectus muscle. It is also called the nasociliary nerve's communicating branch to the ciliary ganglion.
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The long ciliary nerves, two or three in number, are given off from the nasociliary, as it crosses the optic nerve.

They accompany the short ciliary nerves from the ciliary ganglion, pierce the posterior part of the sclera, and running forward between it and the choroid,
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