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Freshwater Crayfish 5(1): 137-153 (1983)


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Calcium homeostasis in the crayfish

Adegboye D  e-mail link

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The major calcium compartments of the crayfish are the hemolymph, exoskeleton, hepatopancreas, new exoskeleton and the gastrolith. Calcium homeostasis in the crayfish has been monitored by determining the relationships between the concentration of calcium ions in the hemolymph and the calcium concentrations of the other tissues. Apart from the early premoult stage (D1 - D2), the concentration of calcium ions in any one of the tissues does not significantly contribute to the concentration of calcium in the hemolymph. However, in the larger specimens of the crayfish, calcium ions in the other tissues do have a synergestic effect on hemolymph calcium during the period immediately preceeding moult. A model of calcium homeostasis which incorporates the existing ideas on calcium in decapod crustaceans is proposed.

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Adegboye D. (1983). Calcium homeostasis in the crayfish. Freshwater Crayfish 5(1):137-153. doi: 10.5869/fc.1983.v5.137



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