Collateral fissure

Collateral fissure
Brain: Collateral fissure
Gray738.png
Coronal section through posterior cornua of lateral ventricle. (Collateral fissure labeled at bottom center.)
Gray727 collateral fissure.svg
Medial surface of left cerebral hemisphere. (Collateral fissure labeled at bottom left.)
Latin sulcus collateralis, fissura collateralis
Gray's subject #189 820
NeuroNames hier-28

The collateral fissure (or sulcus) is on the tentorial surface of the hemisphere and extends from near the occipital pole to within a short distance of the temporal pole.

Behind, it lies below and lateral to the calcarine fissure, from which it is separated by the lingual gyrus; in front, it is situated between the hippocampal gyrus and the anterior part of the fusiform gyrus.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

v · d · eHuman brain: forebrain (cerebrum · cerebral cortex · cerebral hemispheres, grey matter) (TA A14.1.09.002–240, 301–320, GA 9.818–826)
Frontal lobe
Superolateral
Precentral
Precentral gyrus · Precentral sulcus
Medial/inferior
Precentral
Paracentral lobule (4) · Paracentral sulcus
Both
Parietal lobe
Superolateral
Medial/inferior
Both
Postcentral gyrus/primary somatosensory cortex (1 · 2 · 3) · Secondary somatosensory cortex (5) · Posterior parietal cortex (7)
Occipital lobe
Superolateral
Occipital pole of cerebrum · Lateral occipital gyrus (18, 19) · Lunate sulcus · Transverse occipital sulcus
Medial/inferior
Temporal lobe
Superolateral

Transverse temporal gyrus/Primary auditory cortex (41, 42) · Superior temporal gyrus (38, 22/Wernicke's area) · Middle temporal gyrus (21) · Inferior temporal gyrus (20)

Superior temporal sulcus · Inferior temporal sulcus
Medial/inferior

Fusiform gyrus (37) Medial temporal lobe (27 · 28 · 34 · 35 · 36)

Inferior temporal sulcus
Interlobar
sulci/fissures
Superolateral
Medial/inferior
Medial longitudinal · Cingulate (frontal+cingulate) · Collateral (temporal+occipital) · Callosal sulcus
Limbic lobe
anterior (Entorhinal cortex, Perirhinal cortex) · Posterior parahippocampal gyrus · Prepyriform area

Subgenual area (25) · Anterior cingulate (24, 32, 33) · Posterior cingulate (23, 31)

Isthmus of cingulate gyrus: Retrosplenial cortex (26, 29, 30)
Hippocampal formation
Hippocampal sulcus · Fimbria of hippocampus · Dentate gyrus · Rhinal sulcus
Other
Insular lobe
Long gyrus of insula · Short gyri of insula · Circular sulcus of insula
General
Some categorizations are approximations, and some Brodmann areas span gyri.

M: CNS

anat(n/s/m/p/4/e/b/d/c/a/f/l/g)/phys/devp

noco(m/d/e/h/v/s)/cong/tumr, sysi/epon, injr

proc, drug(N1A/2AB/C/3/4/7A/B/C/D)

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Look at other dictionaries:

  • collateral fissure — noun : a fissure of the tentorial surface of the cerebrum lying below and external to the calcarine fissure and causing an elevation on the floor of the lateral ventricle between the hippocampi …   Useful english dictionary

  • collateral fissure — sulcus collateralis …   Medical dictionary

  • collateral sulcus — n a sulcus of the tentorial surface of the cerebrum lying below and external to the calcarine sulcus and causing an elevation on the floor of the lateral ventricle between the hippocampi called also collateral fissure * * * sulcus collateralis… …   Medical dictionary

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  • Fissure — A cleft or groove. A fissure can be normal or abnormal. A fissure in the cerebral cortex is a normal feature. It is a deep fold that involves the entire thickness of the brain wall. A fissure in the anus is distinctly abnormal. It is a painful… …   Medical dictionary

  • Medial longitudinal fissure — Brain: Medial longitudinal fissure Great longitudinal fissure visible running left to right. longitudinal fissure shown in red (animation) Latin …   Wikipedia

  • Sulcus — From the Latin for a groove, furrow, or trench. In medicine, there are many sulci (plural of sulcus) as, for example, the superior pulmonary sulcus. * * * 1. [TA] One of the grooves or furrows on the surface of the brain, bounding the several… …   Medical dictionary

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  • eminence — A circumscribed area raised above the general level of the surrounding surface, particularly on a bone surface. SYN: eminentia [TA]. [L. eminentia] abducens e. SYN: facial colliculus. arcuate e. [TA] a prominence …   Medical dictionary

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