clitellum
/klahy-tel-uhm/US // klaɪˈtɛl əm //UK // (klɪˈtɛləm) //
阴蒂,阴部,阴囊,阴唇
Definitions
n.名词 noun
- 1
plural cli·tel·la [klahy-tel-uh]. /klaɪˈtɛl ə/.
- : 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.
Examples
Clitellum always present, extending over two (many limicolous forms) to forty-five segments (Alma).
Clitellum generally only two or three segments and more anterior in position than in Terricolae.
Clitellum commonly extensive and more posterior in position than in other groups.
Clitellum, kli-tel′um, n. the saddle of an annelid, as the earthworm:—pl.
Clitellum not present as a definite organ, as in Oligochaeta.
Level 4Browse all words →