Structures Of skeletal Muscle

Question 0

Fascicle

Answer 0

Bundle of muscle cells, segregated from the rest of the muscle by a connective tissue sheath

Question 1

Muscle

Answer 1

Consists of 100’s-1000’s of muscle cells, plus tissue, blood vessels, and nerve fibers

Question 2

Muscle fiber

Answer 2

Elongated multinucleate cell

Question 3

Myofibril/fibril

Answer 3

Rodlike contractile elements of bundles of myofilaments that occupy most of the muscle volume

Question 4

Sarcomere

Answer 4

Contractile unit composed of myofilaments made up of contractile proteins

Question 5

Myofilaments/filament

Answer 5

Contains 2 types: thin(actin) & thick(myosin) which produces muscle shortening when sliding part each other