同: 鳥距溝

WordNet

(anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/05/30 17:42:27」(JST)

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The calcarine sulcus (or calcarine fissure) is an anatomical landmark located at the caudal end of the medial surface of the brain. Its name comes from the Latin "calcar" meaning "spur.".^[1] It is a complete sulcus.

Anatomy

The calcarine sulcus begins near the occipital pole in two converging rami and runs forward to a point a little below the splenium of the corpus callosum, where it is joined at an acute angle by the medial part of the parieto-occipital sulcus. The anterior part of this sulcus gives rise to the prominence of the calcar avis in the posterior cornu of the lateral ventricle.

Function

The calcarine sulcus is where the primary visual cortex (V1) is concentrated. The central visual field is located in the posterior portion of the calcarine sulcus and the peripheral visual field in the anterior portion.

Additional images

Position of calcarine sulcus (shown in red).
Calcarine fissure (shown in red).
Medial surface of cerebral cortex - gyri

References

^ http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?page=c

External links

Anatomy diagram: 13048.000-3 at Roche Lexicon - illustrated navigator, Elsevier
http://www2.umdnj.edu/~neuro/studyaid/Practical2000/Q31.htm
Atlas image: eye_38 at the University of Michigan Health System - "The Visual Pathway from Below"
NIF Search - Calcarine Fissure via the Neuroscience Information Framework

UpToDate Contents

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English Journal

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Acta neurochirurgica.Acta Neurochir (Wien).2015 Nov;157(11):1971-4. doi: 10.1007/s00701-015-2595-1. Epub 2015 Sep 28.
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Japanese Journal

ヒト腹側視覚経路における色知覚形成過程

阿津川智洋,福永雅喜,山本洋紀 [他],高橋成子,田中忠蔵,恵飛須俊彦,梅田雅宏,江島義道
電子情報通信学会技術研究報告. NC, ニューロコンピューティング 99(131), 69-76, 1999-06-18
本研究の目的は、fMRIを用いて脳活動を測定することにより、色知覚空間比較過程と脳内神経活動の関連を調べることである。実験に用いた刺激は、誘導刺激と被誘導刺激からなり、誘導刺激は色フリッカであった。被誘導刺激は2種類で、1つは白色固定、もう1つは誘導刺激と同期して変調する色フリッカであった。被誘導刺激に対する知覚は、それぞれ対比色のフリッカ、白色固定となり、物理特性と反転した。後頭葉の鳥距溝近傍の …
NAID 110003233575

Phylogenetic Development of Brain and Brain Sulci in Primates

Imagawa Masaki,Yamadori Takashi
The Kobe journal of the medical sciences 42(1), 61-72, 1996-02
… The purpose of this study was to investigate the phylogenetic development of the cerebrum and cerebral sulcus in primates. … Of various cerebral sulci, the cingulate and calcarine sulci were selected, because they run on the medial surface of the cerebrum. … With the increase of size (FO-length) and weight of the brain, these sulci became longer, but there were no significant differences in the ratio of the calcarine sulcus to the FO-length among these four species. …
NAID 110000018662

「鳥距溝」

Calcarine sulcus
	Medial surface of left cerebral hemisphere. ("Calcarine fissure" visible at left.)
	Coronal section through posterior cornua of lateral ventricle. (Label for "Calcarine fissure" visible at bottom.
Details
Part of	Occipital lobe
Artery	calcarine branch of medial occipital artery
Identifiers
Latin	sulcus calcarinus, fissura calcarina
NeuroNames	hier-25
NeuroLex ID	Calcarine sulcus
Dorlands; /Elsevier	s_28/12768398
TA	A14.1.09.225
FMA	83749
	Anatomical terms of neuroanatomy [edit on Wikidata]