出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2015/06/17 20:25:23」(JST)
Maxillary nerve | |
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Alveolar branches of superior maxillary nerve and pterygopalatine ganglion.
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Details | |
Latin | Nervus maxillaris |
From | Trigeminal nerve |
To | Infraorbital nerve, zygomatic nerve, posterior superior alveolar nerve, palatine nerve, nasopalatine nerve, sphenopalatine ganglion |
Identifiers | |
Gray's | p.889 |
MeSH | A08.800.800.120.760.550 |
TA | A14.2.01.037 |
FMA | 52724 |
Anatomical terms of neuroanatomy |
The maxillary nerve (CN V2) is one of the three branches or divisions of the trigeminal nerve, the fifth (V) cranial nerve. It comprises the principal functions of sensation from the maxillary, nasal cavity, sinuses, the palate and subsequently that of the mid-face,[1] and is intermediate, both in position and size, between the ophthalmic nerve and the mandibular nerve.[2] Its function is the transmission of sensory fibers from the maxillary teeth, the skin between the palpebral fissure and the mouth, and from the nasal cavity and sinuses.[3]
Anterior to the trigeminal ganglion, the maxillary nerve passes through the cavernous sinus and exits the skull through the foramen rotundum.
Thus it begins at the middle of the trigeminal ganglion as a flattened plexiform band, and, passing horizontally forward, it leaves the skull through the foramen rotundum, where it becomes more cylindrical in form, and firmer in texture.
It then crosses the pterygopalatine fossa, inclines lateralward on the back of the maxilla, and enters the orbit through the inferior orbital fissure. It traverses the infraorbital groove and canal in the floor of the orbit, and appears upon the face at the infraorbital foramen. There, it is called the infraorbital nerve, a terminal branch.
At its termination, the nerve lies beneath the quadratus labii superioris, and divides into a leash of branches that spread out upon the side of the nose, the lower eyelid, and the upper lip, joining with filaments of the facial nerve.
Its branches may be divided into four groups, depending upon where they branch off: in the cranium, in the pterygopalatine fossa, in the infraorbital canal, or on the face.
This section requires expansion. (December 2013) |
This section requires expansion. (December 2013) |
This section requires expansion. (December 2013) |
Maxillary nerve
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
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リンク元 | 「上顎神経」 |
関連記事 | 「nerve」「maxillary」 |
一般感覚性 | 臓性感覚性 | 特殊感覚性 | 体性運動性 | 臓性運動性 | 鰓弓運動性 | 神経細胞(中枢神経外) | 神経細胞(中脳) | 神経細胞(橋) | 神経細胞(延髄) | 神経細胞(脊髄) | ○-< 節後ニューロン | 頭蓋からの出口 | 分布と機能 |
○ | 三叉神経節 | 正円孔 | 上唇を含む上顎部の顔の皮膚、上顎の歯、鼻粘膜、上顎洞、口蓋の感覚 |
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