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LCE SCIENCE
Human Biology & Health Ch 1 Section 3 , 4 and 5
| Term | Definition |
|---|---|
| fracture | a break in the bone |
| dislocation | an injury in which a bone comes out of its joint |
| sprain | an injury in which the ligaments holding bones together are stretched too far and tear |
| x-ray | a form of energy that travels in waves |
| magnetic resonance imaging MRI | a method for taking clear images of both the bones and soft tissues of the body |
| arthritis | a disease of the joints that makes movement painful |
| arthroscope | a slim, tube shaped, surgical instrument that doctors use to diagnose a problem in a joint |
| involuntary muscle | a muscle that is not under conscious control |
| voluntary muscle | a muscle that is under conscious control |
| skeletal muscle | a muscle that is attached to the bones of the skeleton and provides the force that moves the bones |
| tendon | a strong connective tissue that attaches muscle to the bone |
| striated muscle | a muscle that appears banded; also called skeletal muscle |
| smooth muscle | involuntary muscle found inside many internal organs of the body |
| cardiac muscle | muscle tissue found only in the heart |
| epidermis | the outer layer of the skin |
| melanin | a pigment that gives the skin its color |
| dermis | the inner layer of the skin |
| pore | an opening through which sweat reaches the surface of the skin |
| follicle | structure in the dermis of the skin from which a strand of hair grows |
| cancer | a disease in which some body cells divide uncontrollably |