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Observations in the Skin Pigment and Amoebocytes, and the Occurrence of Phenolases in the Coelomic Fluid of Holothuria Forskali Delle Chiaje

Published online by Cambridge University Press:  11 May 2009

Norman Millott
Norman Millott
Affiliation:
Department of Zoology, University College of the West Indies, Jamaica, B.W.I.,
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Extract

The black body-wall pigment of Holothuria forskali shows the characteristics of melanin.

From histological evidence it appears that the pigment is formed in association with the amoebocytes of the coelomic fluid, which eliminate the pigment in the body wall.

The amoebocytes contain a phenolase system, distinct from the cytochromecytochrome oxidase system, with the properties of tyrosinase.

The relation of these findings to those of a preceding and more complete investigation into melanogenesis in Diadema is discussed.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 31 , Issue 3 , February 1953 , pp. 529 - 539
Copyright
Copyright © Marine Biological Association of the United Kingdom 1953

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References

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