10 Flashcards
in a transerve section each skelatal muscle is composed of ___ which are bundles of muscle fibers
fasciles
long, cylindrical contractile element within muscle cells
myofibril
each muscel fiber is surrounded by a delicate layer of connective tissue called
endomysium
small to largest
myofilamemts
myofibrils
muscle fibers
muscle fasciles
muscle is surround by what
epimysuim
facile is surround by what
perimysium
muscle cells surrounded by what
endomysium
another name for deep fasia
visceral fasia
the perimysuium of a muscle contains extensive arrays of blood vessels and nerves that supply fasciles these arrays are called
neurovasuclar bundles
the mysoin head points …. the edge of the fialments and project outward toward the surrounding thin filaments
toward
h zone
contains thick filaments only
i band
light band containing thin filaments only
a band
dark band containing both actin and myosin
myofilaments within myofiblrs are arranged in repeating microscopic cylindrical units called
sacromes
as a result of muscle fiber contraction , the h zone
dissapears