Sprained ankle An ankle sprain is an injury the ligaments in the foot causing pain, tenderness, swelling, and bruising. Blood clot in the legs Blood clots in the leg can become very dangerous, symptoms include swelling, redness, tenderness in the leg.
serine A non-essential amino acid found as a component of most proteins. It is a precursor of choline, glucine, cysteine and pyruvate. Serine is present in most diets but most of the body serine is synthesized.
Narcotic (Definition). A natural or synthetic alkaloid compound that has morphine-like qualities. Other examples are codeine, heroin, Meperidine (demerol). They are classified based on their intrinsic activity & where they interact in the central nervous system. They are involved in pain transmission and other physiological functions..