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clitellum

[klahy-tel-uh m] /klaɪˈtɛl əm/
noun, plural clitella
[klahy-tel-uh] /klaɪˈtɛl ə/ (Show IPA)
1.
a ring or saddle-shaped region of glandular tissue in the body wall of certain annelids, as earthworms and some leeches, that after copulation secretes a cocoon in which the eggs and sperm are deposited for fertilization and development.
Origin
1830-1840
1830-40; < New Latin, neuter noun based on Latin clītellae packsaddle
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for clitella

clitellum

/klɪˈtɛləm/
noun (pl) -la (-lə)
1.
a thickened saddle-like region of epidermis in earthworms and leeches whose secretions bind copulating worms together and later form a cocoon around the eggs
Word Origin
C19: from New Latin, from Latin clītellae (plural) packsaddle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for clitella

clitellum

n.

"raised band around an earthworm," 1816, Modern Latin, from Latin clitellae "a pack-saddle," diminutive of *clitra "litter," from PIE *klei-tro-, from root *klei- (see lean (v.)). Related: Clitellar.

Online Etymology Dictionary, © 2010 Douglas Harper
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