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From Late Latin pedunculus, from Latin pedis, genitive of pēs, a ‘foot’


peduncle (plural peduncles)

  1. (botany) The axis of an inflorescence; the stalk supporting an inflorescence.
  2. (botany) A short stalk at the base of a leaf or reproductive structure.
    • 1992, Rudolf M. Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, page 5
      On fertilization, the archegonia form obyriform calyptrae that are distinctly narrowed at base to form a stalk or peduncle; this does not occur in other Hepaticae.
  3. (anatomy) A bundle of neurons connecting different parts of the brain.
  4. (anatomy) In arthropods, the base segments of an antenna.
  5. (anatomy) A stem attaching a mass of tissue (such as a polyp) to the body.
  6. (zoology) A collection of nerves in the appendage of an animal (such as the tip of a dolphin's tail).

Related terms[edit]