cerebral peduncle

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Related to Cerebral peduncles: cerebral aqueduct, thalamus

cerebral peduncle

[sə′rē·brəl pi′dəŋ·kəl]
(cell and molecular biology)
One of two large bands of white matter (containing descending axons of upper motor neurons) which emerge from the underside of the cerebral hemispheres and approach each other as they enter the rostral border of the pons.
References in periodicals archive ?
7,9,10 In the case presented here, symmetric hyperintensities were present in the bilateral globus pallidus, hypothalamus, bilateral cerebral peduncles, nucleus ruber, pons posterior, cerebellar dentate nuclei, bilateral periventricular deep white matter and subthalamic nuclei.
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.
12] It is composed of three layers: the tectum, tegmentum and the cerebral peduncles.