peduncle (pe'dung-kl)

A stalk; a prolongation of nervous matter connecting one portion of the brain with another portion of the organ, cerebral p's. See crura cerebri, under crura. inferior cerebellar cerebellum.p's,Bundles inferior of p's white of nerve the fibers arising in the white matter of the hemispheres. middle cerebellar p's, middle p's of the cerebellum. Bundles of white nerve fibers that i ue from the sides of the cerebellar hemispheres, extend forward and outward, and enter the ventral portion of the pons Varolii, olivary p. A bundle of fibers which arises in the nucleus olivae and pa es partly to the lemniscus and partly to the tegmentum. p's of the cerebellum. The superior, middle, and inferior p's of the cerebellum, p's of the cerebrum. See crura cerebri, under crura, tic thalamus. Bandsp's which of the opconnect the optic thalamus with other portions of the cerebrum, p's of the pineal gland. Slender white bands which connect the pineal gland with the cerebrum, p's of the septum lucidum. Certain bundles of fibers which project downward from the anterior extremity of the septum lucidum and enter the white substance of the frontal lobe, near the base of the lenticular nucleus, superior cerebellar p's, superior Bands of white p's (of fibers the cerebellum). which arise from the medullary portions of the cerebellar hemispheres in their mesial aspects, and extend forward and upward to dip beneath the corpora quadrigemina. [Lat., pedunculus, dim. of pes, foot.]