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Ch.14 KeyTerms
SportsMed
Term | Definition |
---|---|
anatomy | the study of STRUCTURE of the body (how the body IS PUT TOGETHER) |
physiology | the study of the FUNCTION of the body (how the body WORKS) |
organ | a structure within the body made up of TISSUES that allow it to PERFORM A PARTICULAR FUNCTION |
cells | BASIC UNIT OF LIFE |
tissue | a collection of similar cells and their intercellular substances that WORK TOGETHER TO PERFORM A PARTICULAR FUNCTION |
skeletal or striated muscle | voluntary muscles that can be consciously CONTROLLED, unlike involuntary muscles that work whether the BODY IS CONSCIOUS OR UNCONSCIOUS |
cardiac muscle | the MUSCLE OF THE HEART, adapted to continued RHYTHMIC CONTRACTION |
smooth or visceral muscle | a muscle tissue that CONTRACTS WITHOUT VOLUNTARY CONTROL; contracts slowly and sustained over a longer time; FOUND IN INTERNAL ORGANS AND BLOOD VESSELS |
abrasion | an OPEN WOUND, ROAD BURN, OR RUG BURN IN WHICH THE OUTER LAYER OF SKIN HAS BEEN SCRAPED OFF |
laceration | A JAGGED TEAR IN FLESH |
puncture wound | A SOFT TISSUE INJURY CAUSED BY THE PENETRATION OF A SHARP OBJECT |
incision | A CLEAN, STRAIGHT, KNIFE-LIKE CUT |
avulsion | a PAINFUL soft tissue injury in which a FLAP OF TISSUE IS TORN LOOSE OR PULLED OFF COMPLETELY |
callus | A THICKENED, USUALLY PAINLESS, AREA OF SKIN CAUSED BY FRICTION OR PRESSURE |
blister | A BUBBLE-LIKE COLLECTION OF FLUID BENEATH OR WITHIN THE EPIDERMIS OF SKIN |
paresthesia | an ABDNORMAL SENSATION OF THE SKIN, such as numbness, tingling, prickling,or burning, with no APPARENT CAUSE |
ecchymosis | RUPTURED BLOOD VESSELS IN THE SUBCUTANEOUS TISSUE, NOTICEABLE BY A PURPLE DISCOLORATION OF THE SKIN |