Muscle Structure

Front

What is the functional contractile unit within a muscle fiber?

Back

Sarcomere

Front

What connective tissue encases the entire muscle?

Back

Epimysium

Front

Which connective tissue wraps around the entire outside of each muscle fiber?

Back

Endomysium

Front

What is the thick filament of the sarcomere known as?

Back

Myosin

Front

What is the thin filament of the sarcomere known as?

Back

Actin

Front

What is the term for the muscle cell?

Back

Muscle fiber

Front

What is the role of myofibrils in muscle contraction?

Back

Myofibrils are the contractile elements of muscle fibers that facilitate contraction.

Front

What is the function of fascia in muscle structure?

Back

Fascia is a connective tissue that surrounds muscles and groups of muscles, providing support and structure.

Front

What is the difference between epimysium, perimysium, and endomysium?

Back

Epimysium surrounds the entire muscle, perimysium surrounds bundles of muscle fibers, and endomysium surrounds individual muscle fibers.

Front

What is the role of sarcoplasm in muscle fibers?

Back

Sarcoplasm is the cytoplasm of muscle fibers, containing organelles and myofibrils.