Albinism and hemorrhagic diathesis
Albinism with hemorrhagic diathesis and pigmented reticuloendothelial cells: See: Hermansky-Pudlak syndrome.
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- Albinism, oculocutaneous
Albinism, oculocutaneous: An hereditary disorder characterized by deficiency of the pigment melanin in the eyes, skin and hair. The lack of eye pigment causes photophobia (sensitivity to light), nystagmus, and decreased visual acuity. Oculocutaneous albinism is conventionally classified as to whether it is tyrosinase-negative or tyrosinase-positive. In the tyrosinase-negative class, there is absence of the […]
- Albino
Albino: A person with albinism. The term was first applied by the Portuguese to people in West Africa, who may have had partial or complete albinism.
- Albuginea
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
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.