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of an earthworm


n. pl. cli·tel·la (-tĕl′ə)
A glandular swelling of the epidermis of certain annelid worms, such as earthworms, that secretes a viscous fluid to form a cocoon in which the eggs are deposited.

[New Latin clītellum, sing. of Latin clītellae, packsaddle; see klei- in Indo-European roots.]


n, pl -la (-lə)
(Zoology) 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
[C19: from New Latin, from Latin clītellae (plural) packsaddle]
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Although examined individuals reveal external and internal maturity, having well developed clitella, tubercula pubertatis and spermathecae, iridescence was observed in tiny parts of the ampullae in only two individuals.
No iridescent was observed in the spermathecae, although all examined individuals have clitella.