posterolateral fissure

posterolateral fissure
fissura posterolateralis cerebelli.

Medical dictionary. 2011.

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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

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  • fissura — 1. SYN: fissure. 2. In neuroanatomy, a particularly deep sulcus of the surface of the brain or spinal cord. [L. fr. findo, to cleave] f. antitragohelicina [TA] a fissure in the auricular cartilage between the …   Medical dictionary

  • fissura posterolateralis cerebelli — [TA] posterolateral fissure: the fissure separating the nodulus from the uvula of the vermis and the flocculus from the tonsilla of the cerebellar hemisphere; called also dorsolateral fissure …   Medical dictionary

  • Cerebellum — The portion of the brain in the back of the head between the cerebrum and the brain stem. * * * The large posterior brain mass lying dorsal to the pons and medulla and ventral to the tentorium cerebelli and posterior portion of the cerebrum; it… …   Medical dictionary

  • lobus cerebelli posterior — [TA] posterior lobe of cerebellum: the portion of the cerebellum separated from the anterior lobe by the primary fissure and from the flocculonodular lobe by the posterolateral fissure; it comprises the declive, folium vermis, tuber vermis,… …   Medical dictionary

  • Fastigius — is an adjective based on the Latin fastigium , meaning summit. Thus it is used to refer to the peak of the fourth ventricle. [cite web|url=http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?page=f|title=Anatomy Glossary|author=by Dr. M. A.… …   Wikipedia

  • flocculus — 1. A tuft or shred of cotton or wool or anything resembling it. 2. [TA] A small lobe of the cerebellum at the posterior border of the middle cerebellar peduncle anterior to the b …   Medical dictionary

  • 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

  • Medulla oblongata — Brain: Medulla oblongata labeled at bottom left …   Wikipedia

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