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clitellum

A Dictionary of Biology | 2004 | 280 words | Copyright

clitellum A thickened glandular region of the body in certain annelid worms that is prominent when the worm becomes sexually mature. The clitellum possesses long slender chaetae. Goblet cells in the clitellum secrete mucus, which forms the cocoon in which fertilized eggs develop.

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