Peduncle

The term peduncle has several meanings:

• Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed in the flower
• Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body
  • Peduncle (arthropods), the base segments of an antenna
  • Caudal peduncle, in fish, the narrow part of the body to which the tail attaches
  • Cerebral peduncle, a band of neurons, resembling a stalk, which connect varied parts of the brain
  • Cerebellar peduncle, one of six structures connecting the cerebellum to the brain stem
  • In insect brains, the peduncle connects the lobes of the mushroom bodies to its calyx
  • In stalked barnacles, one of two external divisions of the body, a stalk attached to the substrate by cement glands
  • In dinoflagellates an extendable stalk used to capture prey