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Studies in the Market Sponges I. Growth from the Planted Cutting

Published online by Cambridge University Press:  11 May 2009

L. R. Crawshay
L. R. Crawshay
Affiliation:
Lately Research Officer, Sponge Fishery Investigations
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Extract

An account of the chief earlier experiments, from those of Cavolini in 1785 to the close of Moores experiments in Florida in 1905, is given and the general subject of reconstruction and growth in the sponge cutting is described in detail.

Under favourable conditions loss of volume in the initial stages, following cutting, should be practically negligible, the early steps in repair and reconstruction proceeding without delay after severance of the fragment from the original sponge. As chief among these, the dermal covering required for newly cut surfaces, the closing of most of the exposed apertures of the old canal system, and the retention of one or more of these for future oscula, are accomplished rapidly and, for preliminary purposes, are completed within a very few days

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 23 , Issue 2 , May 1939 , pp. 553 - 574
Copyright
Copyright © Marine Biological Association of the United Kingdom 1939

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