Anatomy
cerebral crus
[ suh-ree-bruhl, ser-uh- kruhs, kroos ]
Subclass of:
Cerebral Peduncle
Definitions related to crus cerebri:
  • The nerve fibers running from the cortex to the tegmentum, pontine gray matter, and the spinal cord. They form a large bundle of corticofugal fibers extending longitudinally on each side of the midline on the ventral surface of the midbrain.
    NCI
    U.S. National Cancer Institute, 2021
  • (cerebral crus) Anterior portion of the cerebral peduncle which contains the motor tracts.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (cerebral crus) The cerebral crus is the most anterior portion of the midbrain which consists of a massive band of nerve fibers originating primarily from the cerebral cortex.
    Foundational Model of Anatomy
    University of Washington, 2017
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