WordNet

curved in two directions (like the letter S)
of or relating to the sigmoid flexure in the large intestine (同)sigmoidal
(anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/06/16 01:02:04」(JST)

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The inner surface of the mastoid portion of the temporal bone presents a deep, curved groove, the sigmoid sulcus, which lodges part of the transverse sinus; in it may be seen the opening of the mastoid foramen.

References

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

External links

Anatomy diagram: 34257.000-2 at Roche Lexicon - illustrated navigator, Elsevier

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UpToDate Contents

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1. S状結腸軸捻転 sigmoid volvulus
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3. 肺尖部胸壁浸潤肺癌（パンコースト腫瘍） superior pulmonary sulcus pancoast tumors
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English Journal

Failed microvascular decompression surgery for hemifacial spasm due to persistent neurovascular compression: an analysis of reoperations.

Bigder MG1, Kaufmann AM1.
Journal of neurosurgery.J Neurosurg.2015 Aug 21:1-6. [Epub ahead of print]
OBJECT Microvascular decompression (MVD) surgery for hemifacial spasm (HFS) is potentially curative. The findings at repeat MVD in patients with persistent or recurrent HFS were analyzed with the aim to identify factors that may improve surgical outcomes. METHODS Intraoperative findings were determi
PMID 26295916

Comparative morphometric study of the sigmoid sinus sulcus and the jugular foramen.

Ramos-Junior SP1, Gusmão SN2, Raso JL1, Nicolato AA1, Santos M1, Caetano IM1.
Arquivos de neuro-psiquiatria.Arq Neuropsiquiatr.2014 Sep;72(9):694-8.
OBJECTIVE: To compare the right and left sides of the same skulls as far as the described landmarks are concerned, and establish the craniometric differences between them.METHOD: We carried out measurements in 50 adult dry human skulls comparing both sides.RESULTS: The sigmoid sinus width at the sin
PMID 25252233

MRI-based morphometric characterizations of sexual dimorphism of the cerebrum of ferrets (Mustela putorius).

Sawada K1, Horiuchi-Hirose M, Saito S, Aoki I.
NeuroImage.Neuroimage.2013 Dec;83:294-306. doi: 10.1016/j.neuroimage.2013.06.024. Epub 2013 Jun 14.
The present study aimed to characterize cerebral morphology in young adult ferrets and its sexual dimorphism using high-field MRI and MRI-based morphometry. Ex vivo short TR/TE (typical T1-weighted parameter setting for conventional MRI) and T2W (long TR/TE) MRI with high spatial resolution at 7-tes
PMID 23770407

Japanese Journal

Subarachnoid Hemorrhage as the Initial Presentation of Cerebral Venous Thrombosis

Kato Yuji,Takeda Hidetaka,Furuya Daisuke,Nagoya Harumitsu,Deguchi Ichiro,Fukuoka Takuya,Tanahashi Norio
Internal Medicine 49(5), 467-470, 2010
… We present a woman with thrombosis of the superior sagittal, straight, transverse and sigmoid sinuses who presented with SAH in the right temporal sulcus and bilateral cerebellar sulci. …
NAID 130000251697

A human parietal fossil found at the Shuidonggou site, Ningxia, China

Wu Xiujie,Liu Wu,Wang Zhaoxian
Anthropological science : journal of the Anthropological Society of Nippon 112(1), 83-89, 2004-04-01
… The second feature is the lack of a sigmoid sulcus at the mastoid angle of the Shuidonggou parietal which is similar to the situation seen in Homo erectus of Zhoukoudian. …
NAID 10012938362

Computed Tomography Evaluation of Air Cells in the Petrous Bone : Relationship With Postoperative Cerebrospinal Fluid Rhinorrhea

YAMAKAMI Iwao,UCHINO Yoshio,KOBAYASHI Eiichi,YAMAURA Akira
Neurologia medico-chirurgica 43(7), 334-339, 2003-07-15
… The mastoid cells were classified into presinusoidal (14%), sinusoidal (44%), and postsinusoidal (42%) according to the relationship with the sigmoid sulcus. …
NAID 110002277139

「S状洞溝」

Sigmoid sulcus
	Left temporal bone. Inner surface. (Sigmoid sulcus visible at center left.)
	Base of the skull. Upper surface. (Sigmoid sulcus not labeled, but is visible near mastoid foramen.)
Details
Latin	sulcus sinus sigmoidei ossis temporalis
Identifiers
Gray's	p.142
Dorlands; /Elsevier	s_28/12769850
TA	A02.1.06.006
FMA	55499
	Anatomical terms of bone