IPA: //ˈklɪt.ə.ləm//
KK: /ˈklɪtələm/
A thick, glandular area on certain worms that helps produce a protective sac for their eggs.
The clitellum of the earthworm is essential for reproduction as it forms a cocoon for the eggs.
**Clitellum** → The word 'clitellum' comes from Latin 'clitella' (meaning saddle) with the diminutive suffix '-um'. In zoology, it refers to a saddle-like structure found in certain annelids, particularly earthworms, which is involved in reproduction. Thus, 'clitellum' describes a small saddle-like structure in these organisms.
Think of a 'saddle' ('clitella') that is small ('-um') — this helps you remember that 'clitellum' refers to a saddle-like structure in earthworms.