Albuginea: Tough white fibrous tissue. The tunica albuginea of the testis, for example, is the layer of dense whitish inelastic tissue that surrounds the testis.
- Albright syndrome
Albright syndrome: A genetic disorder of bones, skin pigmentation and hormonal problems with premature sexual development. Also called McCune-Albright syndrome and polyostotic fibrous dysplasia. In the syndrome, there is bone disease with fractures and deformity of the legs, arms and skull; pigment patches of the skin; and endocrine (hormonal) disease with early puberty (early menstrual […]
Albumen: The white of an egg, the part of the egg from which meringues are made. Albus in Latin is white. Not to be confused with “albumin” which is the main protein in human blood and the key to the regulation of the osmotic pressure of blood.
Albumin: The main protein in human blood and the key to regulating the osmotic pressure of blood. Chemically, albumin is soluble in water, precipitated by acid, and coagulated by heat.
Albuminuria: More than the normal amount of albumin in the urine. Albuminuria can be a sign that protein is leaking through the kidney, most often through the glomeruli, or a sign of significant kidney disease. It may also be the harmless result of vigorous exercise. Also known as proteinuria.
ALCAM: A receptor expressed on T cells which is involved in the adhesion of cells. ALCAM stands for activated leukocyte cell adhesion molecule. The gene encoding ALCAM is on chromosome 3 in region 3q13.1-q13.2. The ALCAM gene has been reported to be less active in breast tumors with a poor prognosis.