shape of cardiac cell
what attaches muscles to bone
the whole muscle is composed of muscle cells (fibers) grouped into bundles called
CT covering surrounding the whole muscle
CT covering surrounding the fascicles
CT covering surrounding the muscle cell
plasma membrane of muscle cell
endoplasmic reticulum in muscle cell
intracellular fluid around organellea
part of endoplasmic reticulum-stores calcium ions
part of sarcolemma-carries action potential
t-tubule + 2 terminl cisternae
contractile proteins that make up myofibrils
myofibril composed of actin
myofibril composed of myosin
dark band in myofilament
light band in myofilament
protein disc that anchors thin filaments and connects adjacent myofibrils
protein fibers connect neighboring thick filaments
contractile unit of a muscle cell
muscle, fascicle, muscle fiber, myofibril, myofilament
put in order from largest to smallest: fascicle, muscle fiber, myofilament, myofibril, muscle
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