Sistema Muscular Sarcomeros

“ Si pudiésemos realizar todas las cosas que somos capaces de hacer, nos asombraríamos de nosotros mismos.” Quote of the day… Thomas Edison

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FASCICLE/ bundle MYOCYTE endomysium } EPIMYSIUM PERIMYSIUM

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Censored Image from Purves et al., Life: The Science of Biology , 4th Edition, by Sinauer Associates ( www.sinauer.com ) and WH Freeman ( www.whfreeman.com ), used with permission.

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Collagen { Smooth muscle cells Elastic laminae Endothelium ELASTIC ARTERY * { Media Adventitia { Intima

Músculo Liso: Estructura Estructura celular: Forma de huso, núcleo central y falta de estrías

Autonomic nerve axon Gap junction/Nexus Myocyte plasmalemma + glycoprotein External lamina SMOOTH MUSCLE SMOOTH MUSCLE CELL has same contractile & control *machinery as skeletal myocyte, but less organized Reticular fiber Autonomic nerve axon Gap junction/Nexus Myocyte plasmalemma + glycoprotein External lamina * There is the important difference that smooth muscle uses Myosin Light-chain Kinase (MLCK) to phosphorylate the regulatory myson light chain as the main means to provoke the actomyosin ATPase to start contraction

http://www.ama-assn.org/ama/pub/category/7169.html

Sistema Muscular Sarcomeros

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Sistema Muscular Sarcomeros