Peduncle (anatomy) of a fish where the caudal fin meets the spine. Peduncle (anatomy) A peduncle is an elongated stalk of tissue. Sessility is the state of not having a peduncle; a sessile mass or structure lacks a stalk. In medicine, a mass such as a cyst or polyp is said to be "pedunculated" if it is supported by a peduncle. There are in total three types of peduncles in the cerebellum of the human brain, known as superior cerebellar peduncle, middle cerebellar peduncle, and inferior cerebellar peduncle. Pedunculated eyes are also the defining attribute of the Stylophthalmine trait found in certain
Peduncle (botany) Peduncle (botany) In botany, a peduncle is a stem supporting an inflorescence, or after fecundation, an infructescence. The peduncle is a stem, usually green, though some peduncles are more or less florally colored or neutral in color, having no particular pigmentation. In some species, peduncles are leafless, though others bear small leaves, or even cataphylls, at nodes; such leaves generally may be regarded as bracts. The peduncle is the inflorescence base without flowers. When an unbranched peduncle has no obvious nodes, rises directly from a bulb or stem, and especially if it rises apparently directly from the ground, it commonly