Skeletal muscle fiber types and their vascular support. 1993

R M McAllister, and J F Amann, and M H Laughlin
Department of Veterinary Biomedical Sciences, University of Missouri-Columbia 65211.

Different neural and thyroidal influences on mammalian skeletal muscle result in considerable heterogeneity in muscle-fiber characteristics. Muscle fibers can, nonetheless, be grouped into three relatively homogeneous classes, based primarily on their contractile properties. There is a remarkable matching of metabolic support systems to contractile properties and, in turn, appropriate vascular supply for the metabolic systems of each of the three muscle fiber types. The contractile, metabolic, and vascular characteristics of each fiber type are consistent with known patterns of muscle fiber recruitment for the performance of muscular work.

UI MeSH Term Description Entries
D009119 Muscle Contraction A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments. Inotropism,Muscular Contraction,Contraction, Muscle,Contraction, Muscular,Contractions, Muscle,Contractions, Muscular,Inotropisms,Muscle Contractions,Muscular Contractions
D009132 Muscles Contractile tissue that produces movement in animals. Muscle Tissue,Muscle,Muscle Tissues,Tissue, Muscle,Tissues, Muscle
D012039 Regional Blood Flow The flow of BLOOD through or around an organ or region of the body. Blood Flow, Regional,Blood Flows, Regional,Flow, Regional Blood,Flows, Regional Blood,Regional Blood Flows
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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