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The effects of dietary restriction and exercise on the volume of adipocytes in two intra-orbital depots in the guinea-pig

Published online by Cambridge University Press:  24 July 2007

Christine A. Mattacks  and
Caroline M. Pond
Christine A. Mattacks
Affiliation:
Department of Biology, The Open University, Walton Hall, Milton Keynes MK7 6AA
Caroline M. Pond
Affiliation:
Department of Biology, The Open University, Walton Hall, Milton Keynes MK7 6AA
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Abstract

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1. The volume of adipocytes in two intra-orbital sites and fourteen superficial and intra-abdominal sites, and the total adipocyte complement have been measured in virgin and reproductive guinea-pigs maintained on several different regimens of diet and exercise.

2. The adipocytes around the ocular muscles at the back of the orbit (peripheral fat) are always larger than those just behind the eyeball (orbital fat).

3. The adipocytes in both the intra-orbital sites are significantly larger in guinea-pigs whose total adipocyte complement is smaller than one standard deviation from the mean, than in those which have a normal-size or large adipocyte complement.

4. The volume of intra-orbital adipocytes correlates very significantly with the volume of adipocytes in superficial and intra-abdominal sites in guinea-pigs which have large adipocyte complements, correlates weakly in those with normal adipocyte complements and not at all in those with small adipocyte complements.

5. It is suggested that there may be fewer intra-orbital adipocytes in animals which have small adipocyte complements, and that, because the intra-orbital adipose tissue occupies a constant volume, the adipocytes in these sites become larger when they are less numerous.

Type
Papers of direct relevance to Clinical and Human Nutrition
Information
British Journal of Nutrition , Volume 53 , Issue 2 , March 1985 , pp. 207 - 213
Copyright
Copyright © The Nutrition Society 1985

References

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