Muscular System Terms

Muscle cells are also known as _______.

• fascia

• muscle fibers

• aponeuroses

• perimysium

Dense connective tissue called ______, surround and separate each muscle

• fascia

• aponeuroses

• epimysium

• perimysium

Some muscles are connected to each other by broad sheets of connective tissue called _____________.

• fascia

• aponeuroses

• endomysium

• perimysium

Fascia blends with the ________, the layer of connective tissue around each skeletal muscle

• perimysisum

• epimysium

• endomysium

• fascicles

The __________extends inward from the epimysium; it surrounds bundles of skeletal muscle fibers

• fascia

• endomysium

• perimysium

• fascicle

bundles of skeletal muscle fibers

• fascia

• fascicles

• perimysium

• epimysium

The cell membrane of a muscle fiber

• sarcolemma

• sarcoplasm

• myofibrils

• myofilaments

The cytoplasm of a muscle cell

• myofibril

• sarcolemma

• sarcoplasm

• sarcoplasmic reticulum

Thick filaments in myofibrils consist of the protein

• actin

• myofilament

• myosin

• troponin

Myofibrils are made up of many units called _______ , joined end-to-end

• sarcolemma

• sarcoplasm

• sarcoplasmic reticulum

• sarcomeres