The mitral valve controls the flow of blood into the left ventricle. Normally, when the left ventricle contracts the mitral valve closes and the blood flows out through the aortic valve.
Lou Gehrig's Disease, also called amyotrophic lateral sclerosis (ALS), a progressive and usually fatal disorder that attacks the nerves and muscles.
In infant botulism, the baby does not ingest toxin; instead, spores from the botulism bacteria produce toxin in the baby's immature digestive tract. The toxins then travel to the baby's nerve cells leading to the characteristics symptoms of weakness and the "floppy infant syndrome."
Scalding is a burn to the skin or flesh caused by moist heat and hot vapors such as steam. When the heat applied is approximately equivalent, a scald is deeper than a burn from dry heat and should be treated as a burn. Healing is slower and scar formation is greater.
A degeneration or ‘wear and tear’ of articular (joint surface) cartilage usually accompanied by an overgrowth of bone (osteophytes), narrowing of the joint space, sclerosis or hardening of bone at the joint surface, and deformity in joints.
A group of diseases that affect the myocardium (muscle of the heart).