Your interphalangeal joints are examples of: B) pivot joints A) ball-and-socket joints D) saddle joints C) hinge joints All of the following are associated with cartilaginous joints except: D) synarthroses A) amphiarthroses B) symphyses C) gomphoses The connective tissue covering immediately surrounding a muscle cell is the: D) sarcolemma A) epimysium B) endomysium C) perimysium The contractile organelle of a muscle cell is called the: A) sarcomere D) myofilamen B) sarcolemma C) myofibril.