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.
5-hydroxytryptamine (5-HT). A NEUROTRANSMITTER and HORMONE found in many tissues, especially the brain, the intestinal lining and the blood platelets. Serotonin is concerned in controlling mood and levels of consciousness. Its action is disturbed by some hallucinogenic drugs and imitated by others.