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Changes in the biochemical composition of the pyloric caeca of female seastars,Asterias rubens, during their annual reproductive cycle

M, R.C.H.. Oudejans; Sluis, I.; Plas, A.J.

Marine Biology 53(3): 231-238

1979

ISSN/ISBN: 0025-3162
DOI: 10.1007/bf00952431
Accession: 061532004
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The biochemical composition of the pyloric ceca of female seastars (A. rubens) was studied throughout the annual reproductive cycle. The pyloric ceca index is high during the pseudo-rest stage of the ovaries and decreases gradually during ovarian growth. The pyloric ceca dry weight varies 20-38% of the fresh weight. Lipids and less prominently carbohydrates (both glycogen and other reducing sugars) seem to constitute the primary nutrient reserves for gonad growth. Proteins are also available to meet ovarian requirements during vitellogenesis.

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Related References

Oudejans, R.C.H.M.; Van Der Sluis, I.; Van Der Plas, A.J. 1979: Changes in the biochemical composition of the pyloric ceca of female sea stars asterias rubens during their annual reproductive cycle Marine Biology 53(3): 231-238
Oudejans, RCHM. van der Sluis, I. 1979: Storage and depletion of lipid components in the pyloric caeca and ovaries of the seastar Asterias rubens during its annual reproductive cycle Marine Biology (Berlin): 533: 239-247
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