Chloragogen cell

Chloragogen cells, also called as y cells, are cells in annelids that function similarly to the liver in vertebrates.[1]

The cells store glycogen and neutralize toxins and are present in coelomic fluid of some annelids. They are yellowish in colour due to the presence of yellow granules called chloragosomes.

These cells are derived from the inner coelomic epithelium, and help in excretory functions, as most commonly demonstrated in earthworms.[2]

They have characteristic vesicular bulging which store and transport substances like glycogen and nitrogenous wastes. They take part in the deamination of amino acids and synthesis of urea.

Silicates taken in along with food are deposited in the chloragogen cells.


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  2. ^ Biology and Ecology of Earthworms, Volume 3, Clive A. Edwards, P.J. Bohlen, p.75