WordNet

small room in which a monk or nun lives (同)cubicle
a device that delivers an electric current as the result of a chemical reaction (同)electric cell
a room where a prisoner is kept (同)jail cell, prison cell
(biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
any small compartment; "the cells of a honeycomb"
a small unit serving as part of or as the nucleus of a larger political movement (同)cadre
of or relating to or in the region of the mastoid process
process of the temporal bone behind the ear at the base of the skull (同)mastoid_process, mastoid bone, mastoidal
relating to or resembling a nipple (同)mastoidal

PrepTutorEJDIC

(刑務所の)『独房』;(修道院の)小さい独居室 / (ミツバチの)みつ房,巣穴 / 小さい部屋 / 『細胞』 / 電池 / 花粉室 / (共産党などの)細胞
乳様突起の / 〈C〉乳様突起(耳の後ろの側頭骨にある)

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/09/02 00:52:16」(JST)

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MRI showing fluid in mastoid air cells

A section of the mastoid process of the temporal bone of the cranium shows it to be hollowed out into a number of spaces, the mastoid cells, which exhibit great variety in their size and number.

At the upper and front part of the process they are large and irregular and contain air (a form of skeletal pneumaticity), but toward the lower part they diminish in size, while those at the apex of the process are frequently quite small and contain marrow; occasionally they are entirely absent, and the mastoid is then solid throughout.

At birth the mastoid is not pneumatized, but becomes aerated over the first year of life. Poor pneumatization is associated with eustachian tube dysfunction.

Clinical significance

Infections in the middle ear can easily spread into the mastoid area via the aditus ad antrum and mastoid antrum.

Additional images

Horizontal section through left ear; upper half of section.
Mastoid cells.
Lateral head anatomy detail.Facial nerve dissection.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

Anatomy image: hn1-8 at the College of Medicine at SUNY Upstate Medical University

UpToDate Contents

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1. 小児における急性乳様突起炎：臨床的特徴および診断 acute mastoiditis in children clinical features and diagnosis
2. 小児における急性乳様突起炎：治療および予防 acute mastoiditis in children treatment and prevention
3. Chronic otitis media, cholesteatoma, and mastoiditis in adults
4. 小児における急性中耳炎：疫学、微生物学、臨床症状、および合併症 acute otitis media in children epidemiology microbiology clinical manifestations and complications
5. Acute otitis media in adults (suppurative and serous)

English Journal

Workflow and simulation of image-to-physical registration of holes inside spongy bone.

Bergmeier J1, Fitzpatrick JM2, Daentzer D3, Majdani O4, Ortmaier T5, Kahrs LA5.
International journal of computer assisted radiology and surgery.Int J Comput Assist Radiol Surg.2017 May 6. doi: 10.1007/s11548-017-1594-5. [Epub ahead of print]
PMID 28478518

Significance of intraoperative findings in revision tympanomastoidectomy.

Košec A1, Kelava I2, Ajduk J3, Ries M3, Trotić R4, Bedeković V5.
American journal of otolaryngology.Am J Otolaryngol.2017 Apr 12. pii: S0196-0709(17)30118-7. doi: 10.1016/j.amjoto.2017.04.006. [Epub ahead of print]
PMID 28431842

Revisiting the indirect signs of a temporal bone fracture: air, air, everywhere.

Ulano AC1, Vedantham S2, Takhtani D2.
Emergency radiology.Emerg Radiol.2017 Apr 3. doi: 10.1007/s10140-017-1498-2. [Epub ahead of print]
PMID 28374140

Japanese Journal

埋め込み型骨導補聴器の聴覚成績と術中, 術後合併症の検討

野口佳裕,高橋正時,喜多村健
日本耳鼻咽喉科學會會報 114(7), 607-614, 2011-07-20
埋め込み型骨導補聴器 (BAHA) は, 従来の補聴器と比較して音質, 静寂下での語音聴取などに優れるが, 手術を必要とし術後合併症などの欠点もある. 今回われわれは, 2001年9月から2005年10月までのBAHA手術例を対象に, 聴覚機能検査所見, 術後9カ月から8年10カ月 (平均4年7カ月) における術中・術後合併症を検討した. 対象は12例13耳 (男性8例, 女性4例, 年齢20〜7 …
NAID 10029380923

Related Pictures

★リンクテーブル★

リンク元	「乳突蜂巣」
関連記事	「mastoid」「cell」

「乳突蜂巣」

Mastoid cells.
	Coronal section of right temporal bone. (Mastoid cells labeled at bottom left.)
Details
Artery	stylomastoid artery
Identifiers
Latin	cellulae mastoideae
Dorlands; /Elsevier	12225682
TA	A15.3.02.029
FMA	72001
	Anatomical terminology [edit on Wikidata]