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HBS Joints
Key Terms
Term | Definition |
---|---|
Abduction | Movement away from the midline of the body |
Adduction | Movement toward the midline off the body |
Articular cartilage | Hyaline cartilage attached to articular bone surfaces |
Articulation | The action or manner in which the parts come together at a joint |
Ball-and-socket joint | An articulation (as the hip joint) in which the rounded head of one bone fits into a cuplike cavity of the other and admits movement in any direction |
Cartilage | Translucent bluish white cartilage consisting of cells embedded in an apparently homogeneous matrix, present in joints and respiratory passages, and forming most of the fetal skeleton |
Joint | The point of contact between elements of an animal skeleton whether movable or rigidly fixed together with the surrounding and supporting parts (as membranes, tendons, or ligaments) |
Ligament | Dense regular connective tissue that attaches bone to bone |
Plantar flexion | Bending the foot in the direction of the plantar surface (sole) |
Range of Motion | The range through which a joint can be moved |
Rotation | Moving a bone around its own axis, with no other movement |
Synovial cavity | The space between the articulating bones of a synovial joint, filled with synovial fluid. Also called a joint cavity. |
Synovial fluid | Secretion of synovial membranes that lubricates joints and nourishes articular cartilage |
Synovial joint | A fully moveable joint in which the synovial (joint) cavity is present between the two articulating bones |
Tendon | A white fibrous cord of dense regular connective tissue that attaches muscle to bone |