Calcarine sulcus







































Calcarine sulcus

Gray727 calcarine sulcus.svg
Medial surface of left cerebral hemisphere. ("Calcarine fissure" visible at left.)


Gray738.png
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 44

NeuroLex ID		 birnlex_1086
TA A14.1.09.225
FMA 83749

Anatomical terms of neuroanatomy
[edit on Wikidata]


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.




Contents






  • 1 Anatomy


  • 2 Function


  • 3 Additional images


  • 4 References


  • 5 External links





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





  1. ^ "Anatomy Glossary". www.anatomy.usyd.edu.au..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}




External links








  • "Anatomy diagram: 13048.000-3". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2012-07-22.

  • https://web.archive.org/web/20090310124713/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









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