Chapter 6: Muscle/Nerve Tissue And Membranes Flashcards
What are the contractile proteins?
Myosin and actin
Specialized muscle tissue composted of proteins
Myofilaments
Two types of muscle tissue
Striated muscle and smooth muscle tissue
Primary tissue of muscular system
Skeletal striated muscle tissue
What is skeletal striated muscle tissue attached to?
Bone
What is a skeletal striated muscle cell called?
Muscle fiber
Characteristics of skeletal striated muscle fiber
Multi-nucleated, long, cylindrical
What produces the striated appearance of muscle fibers?
Myofilaments
Is skeletal muscle tissue voluntary or involuntary?
Voluntary - controlled by brain
Type of tissue that forms the heart wall
Cardiac striated muscle tissue
Characteristics of cardiac striated muscle tissue
Single nucleus, branched, striated
Junction of cardiac striated muscle tissue
Intercalated discs
Cardiac muscle tissue is voluntary or involuntary?
Involuntary
What types of structures is smooth muscle tissue found in?
Walls of hollow internal organs (blood vessels, stomach,urinary bladder)
Characteristics of smooth muscle cell
Spindle shaped, single nucleus, non-striated