What is the function of the clitellum?

Answer

The primary function of the clitellum is to create a cocoon for the developing young of the annelids that possess them. The most well-known species which have a clitellum are earthworms and leeches, on which the clitellum appears as a pale saddle-like structure a few segments down from their mouths. While mating, the worms build the cocoon around them, leaving the fertilizing gametes behind as they withdraw and seal it.

According to Encyclopaedia Brittanica, the clitellum is solely a feature of adult worms, and it develops only as the worms reach sexual maturity. Each species of worm has a somewhat different clitellum, varying by relative size, shape and color. In all species, the structure tends to be paler than the rest of the worm. They can be saddle-shaped or more flattened, and either flared or non-flared.

The clitellum is very obvious on earthworms, overlaying their otherwise very evident segments. In earthworms, the clitellum sits about a third of the way down their bodies from their mouths, and this is an easy way of identifying which side is the mouth side. This can be helpful since earthworms don't have distinct heads, and they lack eyes, ears and noses. Many earthworms do have a sort of tongue, however, and find their way through their underground environment via a chemical sensor and touch.

Q&A Related to "What is the function of the clitellum?"
The clitellum is found on earthworms it is the sac where the eggs are deposited. After the eggs have been placed in their it slides off. It is found about 2 cm behind the back end
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Clitellum- a ring or saddle-shaped region of glandular tissue in the body wall of certain
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Reproductive system - it forms cocoons (sort of like eggs) where new babies will "hatch" from.
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n. , pl. , -tel·la ( -tĕl'ə ). A swollen, glandular, saddlelike region in the epidermis of certain annelid worms, such as the earthworm, that secretes a viscous fluid
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1 Additional Answer
Ask.com Answer for: what is a clitellum
cli·tel·lum
[klahy-tel-uhm]
NOUN [PLURAL CLI·TEL·LA]
1.
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.
Source: Dictionary.com
Explore this Topic
The clitellum in an earthworm is the thick area found near the end of its better. Its function is to produce a sac that eggs can be deposited in. It is part of ...
If you are looking for where the clitellum is located on an earthworm, check about a third of the way down its body. If the earthworm is at the stage where it ...
The earthworm's reproductive system is located in the clitellum, a whitish band near the head of the earthworm between segments seven and 15. The exact placement ...
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