Chloragogen_cells

Chloragogen cell

Chloragogen cell

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Chloragogen cells, also called y cells, are star-shaped cells in annelids involved with excretory functions and intermediary metabolism. These cells function similarly to the liver found in vertebrates. Chloragogen tissue is most extensively studied in earthworms.[1]

Structure and location

These cells are derived from the inner coelomic epithelium and are present in the coelomic fluid of some annelids.[2] They have characteristic vesicular bulging due to their function in storing and transporting substances, and are yellow due to the presence of cytosolic granules known as chloragosomes.[3]

Function

The most understood function of chloragogen tissue is its function in the excretory system. The cells accumulate and excrete nitrogenous wastes and silicates.[4] They are involved in the deamination of amino acids, synthesis of urea, storage of glycogen and toxin neutralization.[2]

References

  1. [1]
    chloragogen cells
  2. [2]
    Biology and Ecology of Earthworms, Volume 3, Clive A. Edwards, P.J. Bohlen, p.75
  3. [3]
    Lysosomal acid hydrolases in the chloragogen cells of earthworms, Comparative Biochemistry and Physiology Part A: Physiology, Volume 45, A.T. Varute, N.K. More, Issue 2, p.607-635
  4. [4]
    Nature of Chloragogen Granules. Nature 179, p.679–680.


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