Sudden onset of low blood platelet levels, with bleeding into the skin and elsewhere. Abbreviated ATP. ATP can have many causes; for example, it can be a potentially serious complication during the acute phase of measles infection.
- Purpura, thrombotic thrombocytopenic (TTP)
A life-threatening disease involving embolism and thrombosis (plugging) of the small blood vessels in the brain. It is usually caused by inhibition of an enzyme in the blood called ADAMTS13 which breaks down another protein in the blood called Von Willebrand Factor into smaller pieces. TTP is characterized by platelet microthrombi (tiny traveling clots composed […]
Pertaining to pus. Containing or composed of pus. The term “purulent” is often used in regard to drainage. For example, gonorrhea in men usually causes a purulent discharge from the penis.
A thick, whitish-yellow fluid that results from the accumulation of white blood cells, liquefied tissue, and cellular debris. Pus is commonly a sign of infection or foreign material in the body.
- Pustular psoriasis
A type of recurring psoriasis characterized by the appearance of pus-filed lesions in clusters. It can be intensely painful, and hospitalization may be required.
A pustule is a small collection of pus in the top layer of skin (epidermis) or beneath it in the dermis. Pustules frequently form in sweat glands or hair follicles. Pus is a mixture of inflammatory cells and liquid. Put somewhat more simply, a pustule is a little pocket full of pus.