AI Article Synopsis
- Histochemical studies focused on succinic dehydrogenase (SDH), lipase activity, and lipid localization in the locust's flight muscles (monofunctional and bifunctional types).
- Three distinct muscle fiber types were identified in bifunctional flight muscle 120, varying in enzymatic activity and Sudan Black staining intensity.
- Fast muscle fibers exhibited the highest SDH and lipase activity, while slow fibers showed the lowest; "intermediate" muscle fibers were identified with unique structural and histochemical traits.
Article Abstract
Histochemical studies have been made on the activity of succinic dehydrogenase (SDH), lipase and localization of lipids in flight monofunctional (83, 84 and 113) and bifunctional (118, 119 and 120) muscles of the locust L, migratoria. Three types of muscle fibers were found in the bifunctional flight muscle 120 which differ in their enzymic activity and the intensity of staining by Sudan Black. The activity of SDH and lipase was found to be the highest in fast muscle fibers, and the lowest -- in slow ones. For the first time muscle fibers were described which may be considered as "intermediate" with respect to their structure and histochemical characteristics.
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