• The axis of an inflorescence; the stalk supporting an inflorescence.
  • A short stalk at the base of a leaf or reproductive structure.
  • A bundle of neurons connecting different parts of the brain.
  • In arthropods, the base segments of an antenna or stalk-like structures such as the peduncles of some barnacles
  • In vertebrates, the base of any relatively massive anatomical member connected to the body by a narrower section. Cf. caudal peduncle of fishes.
  • A stem attaching a mass of tissue (such as a polyp) to the body.
  • A collection of nerves in the appendage of an animal (such as the tip of a dolphin's tail).


  • From Late Latin pedunculus, from pedis, genitive of pēs.

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