The term peduncle has several meanings: Peduncle (botany), a stalk supporting an inflorescence Cerebral peduncle, a band of neurons, resembling a stalk, which connect varied parts of the brain In insect brains, the peduncle connects the lobes of the mushroom bodies to its calyx Peduncle (zoology), a stem, through which a mass of tissue's attached to a body In fish anatomy, the caudal peduncle's the narrow part of the body to which the tail attaches Peduncle (arthropods), the base segments of… (More on Peduncle)