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AH 112: Joints

Study materials for the joint unit

QuestionAnswer
What is a joint? a place where two bones come together, permitting the bones to move without damaging each other. Joints also hold bones in place.
What is an immovable joint? a fixed joint, it allows no movement between bones
What is a slightly movable joint? permits a small amount of movement between the bones
What are the types of freely movable joints? Ball and socket joint, hinged joint, pivot joint, gliding joint, saddle joint, ellipsoid joint
What is a ligament? the fibrous tissue that connects bones. Also called articular ligaments
What is a tendon? a tendon (or sinew) is a tough band of fibrous connective tissue that connects muscle to bone or muscle to muscle and is designed to withstand tension
What is cartilage? a tough material that cushions and protects the ends of bones. When it degenerates, arthritis develops. Harder than ligaments, softer than bone.
What is synovial fluid? a clear fluid secreted by membranes; it functions as a lubricant in joint cavities, tendon sheaths, and the bursa
What is the meniscus? cartilage tissue that protects and helps promote flexibility between joints
What is the synovial membrane? a sac that surrounds and protects each joint. Secretes synovial fluid.
What is the bursa? a small fluid sac between a muscle and a tendon to ease movement
Created by: LCC