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Endomysium

H band

Skeletal muscle structures

Z lines

Titin

Epimysium

Transverse tubules

Zone of overlap

Sarcolemma

Perimysium

Three functions of muscle tissue

Myoblasts are...

Sarcoplasmic reticulum

Myofibrils

Tendon

Triad

Aponuerosis

Skeletal muscles are controlled by...

Sarcomere

M line

Bundle of connective tissues at ends of skeletal muscles

Sheet of connective tissues at ends of muscles

A membranous structure surrounding each myofibril which forms chambers (terminal cisternae) attached to t-tubules

Layer which surrounds individual muscle cells and contains myosatellite cells (stem cells) that repair damage

Area around M line which contains only thick filaments

Central nervous system (brain and spinal cord)

lines at centers of the I bands

mesodermal cells which fuse to produce skeletal muscle fibers.

Lengthwise subdivisions within muscle fiber which are made of myofilaments

Contractile units of muscle

Strands of protein which reach from tips of thick filaments to the Z line and help to stabilize the thick and thin filaments

Center of A band at midline of sarcomere

A structure formed by one T tubule and two terminal cisternae which concentrates and releases Ca2+.

Layer which surrounds muscle fascicles and provides blood vessels and nerves to tissue

transmit action potentials through the cell and help the muscle fiber to contract simultaneously.

Area where thin and thick filaments converge

Muscle fibers, connective tissues, nerves, blood vessels

cell membrane of a muscle fiber which surrounds the sarcoplasm

exterior collagen layer which separates muscle from surrounding tissues

Store nutrient reserves such as glycogen, support soft tissues, maintain body temperature