Anatomy of Skeletal Muscle Flashcard 24-25

Front

What is the plasma membrane of a skeletal muscle cell called?

Back

Sarcolemma

Front

What is a group of fascicles called?

Back

Muscle

Front

What are muscle fibers made of?

Back

Myofibrils

Front

What is a fascicle made of?

Back

Muscle fibers

Front

What is a group of muscle fibers called?

Back

Fascicle

Front

Define sarcomere.

Back

The basic contractile unit of muscle tissue.

Front

What are myofilaments?

Back

The filaments of myofibrils, constructed from proteins, primarily actin and myosin.

Front

What is the role of myofibrils in muscle contraction?

Back

They shorten and generate force during muscle contraction.

Front

What is the function of the sarcoplasm?

Back

It is the cytoplasm of a muscle cell, containing myofibrils and other organelles.

Front

What is the relationship between muscle fibers and fascicles?

Back

Muscle fibers are grouped together to form fascicles.