WordNet

comparative of little; "she walks less than she should"; "he works less these days"
used to form the comparative of some adjectives and adverbs; "less interesting"; "less expensive"; "less quickly" (同)to a lesser extent
(comparative of `little usually used with mass nouns) a quantifier meaning not as great in amount or degree; "of less importance"; "less time to spend with the family"; "a shower uses less water"; "less than three years old"
(nonstandard in some uses but often idiomatic with measure phrases) fewer; "less than three weeks"; "no less than 50 people attended"; "in 25 words or less"
(usually preceded by `no'
any bundle of nerve fibers running to various organs and tissues of the body (同)nervus
smaller in size or amount or value; "the lesser powers of Europe"; "the lesser anteater"
of less size or importance; "the lesser anteater"; "the lesser of two evils"
control of your emotions; "this kind of tension is not good for my nerves"

PrepTutorEJDIC

(量が)(…より)『もっと少ない』,いっそう少ない;(大きさ・価値・程度などが)(…より)『もっと少ない』,さらに劣る,もっと低い《+『than』…》 / もっと少なく,…ほどでなく《+『than…』》 / 《形容詞・副詞の劣勢の意の比較級を作るのに用いて》…ほど…でない《+『than…』》 / さらに少ない数(量) / …だけ足りない,を引いた
〈C〉『神経』 / 〈C〉《複数形で》『神経過敏』,いらだち / 〈U〉『勇気』,度胸(courage) / 〈U〉《時にa ~》厚かましさ,ずぶとさ;無礼 / 〈C〉葉脈;(昆虫の)翅脈(しみゃく) / 〈人,特に自分〉‘に'力を与える,‘を'元気づける
『いっそう小さい(少ない,重要でない)』,より劣った

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/01/17 02:39:43」(JST)

wiki en

The lesser petrosal nerve is the visceral motor component of the glossopharyngeal nerve (CN IX), carrying parasympathetic fibres from the tympanic plexus to the parotid gland.

After arising in the tympanic plexus, lesser petrosal nerve passes from the temporal bone into the middle cranial fossa via hiatus for lesser petrosal nerve. It travels across the floor of the middle cranial fossa,^[1] then exits the skull via foramen ovale to reach the infratemporal fossa. The fibres synapse in the otic ganglion, and post-ganglionic fibres then travel briefly with the auriculotemporal nerve (a branch of V3) before entering the body of the parotid gland.

References

^ Kakizawa Y. et al., "The course of the lesser petrosal nerve on the middle cranial fossa." Neurosurgery. 2007 Sep; 61(3 Suppl): 15-23. PMID 17876229

External links

Lesser+petrosal+nerve at eMedicine Dictionary
cranialnerves at The Anatomy Lesson by Wesley Norman (Georgetown University) (IX)
lesson3 at The Anatomy Lesson by Wesley Norman (Georgetown University) (midearcavity) (#7)
MedEd at Loyola grossanatomy/h_n/cn/cn1/cn9.htm
Cranial Nerves at Yale 9-10

This article incorporates text from a public domain edition of Gray's Anatomy.

UpToDate Contents

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1. 成人における急性中耳炎（化膿性および漿液性） acute otitis media in adults suppurative and serous
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English Journal

Microsurgical anatomy of the greater superficial petrosal nerve.

Shao YX, Xie X, Liang HS, Zhou J, Jing M, Liu EZ.SourceDepartment of Neurosurgery, First Affiliated Hospital, School of Public Health, Harbin Medical University, Harbin, People's Republic of China.
World neurosurgery.World Neurosurg.2012 Jan;77(1):172-82. Epub 2011 Nov 1.
OBJECTIVE: To clarify the orientation, classification, and relationships of the greater superficial petrosal nerve (GSPN), and to provide a detailed description on the microsurgical anatomic features and some landmarks to its identification.METHODS: A microsurgical anatomic dissection of the GSPN wa
PMID 22120573

The accessory foramen ovale of the skull: an osteological study.

Abd Latiff A, Das S, Sulaiman IM, Hlaing KP, Suhaimi FH, Ghazalli H, Othman F.SourceDepartment of Anatomy, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, Malaysia.
La Clinica terapeutica.Clin Ter.2009;160(4):291-3.
The sphenoid bone is known to have several foramina and the foramen ovale is one amongst them. The foramen ovale transmits the mandibular nerve, accessory meningeal artery, lesser petrosal nerve and the emissary veins. There have been past reports on the variations of the different foramina present
PMID 19795082

「小錐体神経」

Nerve: Lesser petrosal nerve
	Plan of the facial and intermediate nerves and their communication with other nerves.
	Mandibular division of trifacial nerve, seen from the middle line. The small figure is an enlarged view of the otic ganglion. (Small petrosal labeled at center top and bottom right.)
Latin	nervus petrosus minor
Innervates	parotid gland
From	tympanic plexus
To	otic ganglion