Peduncle (anatomy)

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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.[1]

In medicine, a mass such as a cyst or polyp is said to be pedunculated if it is supported by a peduncle.[2]

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 fish larvae. The caudal peduncle is a slightly narrowed part of a fish where the caudal fin meets the spine.[3]

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References[edit]

  1. ^ Hickey, Michael; King, Clive (2000-11-16). The Cambridge Illustrated Glossary of Botanical Terms. Cambridge University Press. p. 30. ISBN 9780521794015. 
  2. ^ Jones, Betty (2010-06-24). Comprehensive Medical Terminology. Cengage Learning. p. 1140. ISBN 1133416934. 
  3. ^ Fishbeck, Dale W.; Sebastiani, Aurora (2015-03-01). Comparative Anatomy: Manual of Vertebrate Dissection. Morton Publishing Company. p. 552. ISBN 9781617314391.