Sep 1, 1978

Several features of the metabolism of the fast and slow muscles of Emys orbicularis tortoises

Zhurnal evoliutsionnoĭ biokhimii i fiziologii
I I Lebedinskaia, L G Ogorodnikova

Abstract

In skeletal muscles of the tortoise E. orbicularis, studies have been made on the content of glycogen, lactic acid, on the activity of glucose-6-phosphatase and phosphorylase. Histochemical studies were made on the lipid content. Experiments were performed on fast and slow bundles from mm. iliofibularis, testo cervicalis and retractor capitis. For comparison, the same indices of carbohydrate metabolism were investigated in fast m. plantaris and slow m. soleus of rats. In rats, slow muscles exhibit aerobic metabolism, in fast muscles--anaerobic one. In tortoises, slow muscles exhibit intermediate type of metabolism. Fast muscles show an anaerobic type or metabolism which is less intensive than anaerobic metabolism in slow muscles. Significant differences in some of the indices of carbohydrate metabolism were found in muscles which perform different functions in the organism.

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Mentioned in this Paper

Metabolic Process, Cellular
Glucosephosphatase
Tissue Specificity
Cell Respiration
Soleus Muscle Structure
Lactic Acid Measurement
Lactates
Metabolic Pathway
GLUCOSE-6-PHOSPHATASE
Muscle

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