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单词 redia
释义

redia

[ ree-dee-uh ]
/ ˈri di ə /

noun, plural re·di·ae [ree-dee-ee]. /ˈri diˌi/. Zoology.

a cylindrical larval stage of some trematodes, produced by a sporocyst and giving rise to daughter rediae or to cercariae.

Origin of redia

First recorded in 1875–80; from New Latin, after Italian biologist F. Redi; see -a2

Words nearby redia

red hind, redhorse, red-hot, red-hot poker, Redi, redia, redial, Rediffusion, Red Indian, red induration, red infarct
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for redia

  • The Cercari when fully developed leave the Sporocyst or Redia, and then their host, and become free.

    The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour
  • The Cercari are developed from spherical masses of cells found in the body cavity of the Sporocyst or Redia.

    The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour
  • This produces within itself numbers of a small creature which is called the Redia form.

    Stories of the Universe: Animal Life|B. Lindsay
  • The Redia has anteriorly a mouth leading into a muscular pharynx and thence into a ccal stomach.

    The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour

British Dictionary definitions for redia

redia
/ (ˈriːdɪə) /

noun plural -diae (-dɪˌiː)

a parasitic larva of flukes that has simple locomotory organs, pharynx, and intestine and gives rise either to other rediae or to a different larva (the cercaria)

Word Origin for redia

C19: from New Latin, named after Francesco Redi (1629–97), Italian naturalist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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更新时间:2024/11/11 18:02:29