Title page for ETD etd-11012008-063655

Type of Document Dissertation
Author Guerra, Antonio Alvarez
URN etd-11012008-063655
Title A comparative study of the structure and biochemical activity of flight muscles from several insect species
Degree PhD
Department Entomology
Advisory Committee
Advisor Name Title
Cochran, D. G. Committee Chair
Bishop, J. Russell Committee Member
Grayson, James McD. Committee Member
  • Cockroaches
Date of Defense 1965-02-05
Availability restricted

Comparative histological and biochemical studies were conducted with the flight muscles and mitochondria of several insect species to determine any correlation which exists between muscle structure and the metabolic activity of their mitochondria. Light microscopic examinations were used in the subcellular observations of these muscles. These included direct observations of freshly isolated material (wet mounts), as well as permanent preparations of transverse sections of some muscle fibers. Histological results were presented in a table which includes the muscle type, as well as the fiber, fibril, and mitochondria sizes of several insect species. The presence and abundance of mitochondria and their arrangement in straight rows between the fibrils, was shown to be common in the flight muscles of all insects investigated (except in the female cockroach, Periplaneta americana). In support of these results, a series of microphotographs showing a compparison of the features studied is presented.

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