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clitellum
[ klahy-tel-uhm ]
noun
, plural cli·tel·la [klahy-, tel, -, uh].
- 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.
clitellum
/ klɪˈtɛləm /
noun
- 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
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Word History and Origins
Origin of clitellum1
1830–40; < New Latin, neuter noun based on Latin clītellae packsaddle
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Word History and Origins
Origin of clitellum1
C19: from New Latin, from Latin clītellae (plural) packsaddle
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Example Sentences
Clitellum always present, extending over two (many limicolous forms) to forty-five segments (Alma).
From Project Gutenberg
Clitellum generally only two or three segments and more anterior in position than in Terricolae.
From Project Gutenberg
Clitellum commonly extensive and more posterior in position than in other groups.
From Project Gutenberg
Clitellum, kli-tel′um, n. the saddle of an annelid, as the earthworm:—pl.
From Project Gutenberg
Clitellum not present as a definite organ, as in Oligochaeta.
From Project Gutenberg
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