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The Effect of Somatotropin and Hypergravity on Weight Bearing Epiphyses of Cockerels

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/22885

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Title: The Effect of Somatotropin and Hypergravity on Weight Bearing Epiphyses of Cockerels
Creators: Negulesco, John A.; Delphia, John M.; Cisneros, A.; Lang, E.
Issue Date: 1982-12
Citation: The Ohio Journal of Science. v82, n5 (December, 1982), 260-265
Abstract: Somatotropin (STH) administered to earth gravity birds (1 g) stimulated the mean growth in height of the articular cartilage layer of the distal tibial epiphyses (DTE) and of the resting and proliferating layers of the proximal epiphyses of os tarsometatarsus (PE-TMT). However, it inhibited growth in height of the calcified cartilage zone of both epiphyses. Hypergravity control animals (2 g) showed a decreased growth in mean height of proliferating, maturing and calcified cartilage zones of the DTE as well as in the resting and calcified cartilage of the PE-TMT. Hypergravity (2 g) plus STH decreased mean height of articular cartilage zones of the DTE while increasing this parameter within the PE-TMT. The growth in height of maturing cartilage layer of the DTE and of the calcified cartilage zone of the PE-TMT was significantly decreased by administration of the hormone under hypergravity conditions.
URI: http://hdl.handle.net/1811/22885
ISSN: 0030-0950
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