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The effects of pre- and perinatal undernutrition on the succinic dehydrogenase content of muscle fibres from fast and slow rat muscles

✍ Scribed by K. F. Howells; T. C. Jordan

Publisher
Springer
Year
1978
Tongue
English
Weight
278 KB
Volume
58
Category
Article
ISSN
1432-119X

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✦ Synopsis

Male rats were subjected to early undernutrition by limiting the mothers' food supply by 50% during pregnancy and lactation. At age 36 weeks, quantitative cytochemical determinations of succinic dehydrogenase activity were made in muscle fibres from the anterior tibialis and soleus muscles. Marked decreases were found in the former muscle but relatively little decrease was seen in the latter. This response of the muscles to early undernutrition was discussed with reference to other studies on pre and post-natal starvation.

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Compared properties of the contractile s
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✍ Y. Mounier; X. Holy; L. Stevens πŸ“‚ Article πŸ“… 1989 πŸ› Springer 🌐 English βš– 690 KB

Chemically skinned fibres from soleus and plantaris rat muscles were used to compare the contractile properties of slow and fast muscles. The maximal isometric tension appeared larger in plantaris than in soleus fibres. The apparent Ca z + threshold for activation was lower in slow than in fast fibr