cerebral peduncle

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Related to Cerebral peduncles: cerebral aqueduct, thalamus
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  • noun

Synonyms for cerebral peduncle

a bundle of myelinated neurons joining different parts of the brain

References in periodicals archive ?
It crosses the superior cerebellar artery close to the cerebral peduncles, passes the lateral edge of the clivus bone, and runs under the petroclinoidal ligament into the cavernous sinus between the double layer of dura and connective tissue at its lateral border, just below the oculomotor nerve and above the ophthalmic branch of the trigeminal (5th cranial) nerve.
Examples include complete 3rd nerve palsy accompanied by contralateral limb ataxia and tremor from involvement of the red nucleus (Claude syndrome) or by contralateral hemiparesis from involvement of descending motor (eg cortico-spinal) axons in the cerebral peduncle (Weber syndrome) or in combination with both types of motor disorder affecting the opposite limb(s) (Benedict syndrome).
Structures arising from the mesencephalon are the superior and inferior colliculi of the tectum, cerebral peduncles, optic lobes, optic tectum, tegmentum and somatic motor neurons of cranial nerves III and IV.
12] It is composed of three layers: the tectum, tegmentum and the cerebral peduncles.