Brill-Zinsser disease: Recrudescence of epidemic typhus years after the initial attack. The agent that causes epidemic typhus (Rickettsia prowazekii) remains viable for many years and then when host defenses are down, it is reactivated causing recurrent typhus. The disease is named for the physician Nathan Brill and the great bacteriologist Hans Zinsser.
- Brissaud's infantilism
Brissaud’s infantilism: An eponym that is little used (in the USA) for hypothyroidism (subnormal activity of the thyroid gland) that starts after birth and is manifest by features including delays in growth and development and myxedema surfacing during infancy. Myxedema is a dry waxy type of swelling, often with swollen lips and nose. Infantile hypothyroidism […]
- British National Formulary
British National Formulary: A twice-yearly source on prescribing, dispensing and administering medicines, intended primarily for use by physicians, pharmacists, nurses and other health-care professionals in the UK.
- Brittle diabetes
Brittle diabetes: A type of diabetes when a person’s blood glucose (sugar) level often swings quickly from high to low and from low to high. Also called “unstable diabetes” or “labile diabetes.”
- Brittle bone disease
Brittle bone disease: Osteogenesis imperfecta, not one but a group of genetic diseases, all of which affect collagen, a key component of connective tissue in tissues like bone, tendon and skin. All types of osteogenesis imperfecta result in fragile bones.
- Broca's area
Broca’s area: An area of the cerebral motor cortex in the frontal lobe of the brain that is responsible for speech development. Damage to Broca’s area can cause speech disorders, including apraxia and dyspraxia of speech. See also Apraxia of speech, Dyspraxia of speech.