peduncle vs cerebral peduncle

peduncle and cerebral peduncle both are nouns.

Word	Noun	Adjective	Verb	Adverb
peduncle	Yes	No	No	No
cerebral peduncle	Yes	No	No	No

As nouns, peduncle and cerebral peduncle are synonyms defined as:

peduncle and cerebral peduncle: a bundle of myelinated neurons joining different parts of the brain

peduncle (noun)	cerebral peduncle (noun)
a bundle of myelinated neurons joining different parts of the brain	a bundle of myelinated neurons joining different parts of the brain
stalk bearing an inflorescence or solitary flower
the thin process of tissue that attaches a polyp to the body