Baseline: Information or data gathered at the beginning of a period from which variations that subsequently develop are compared.
- Basement membrane
Basement membrane: A thin membrane that is composed of a single layer of cells.
- Basic Local Alignment Search Tool
Basic Local Alignment Search Tool: Abbreviated BLAST. A computer program that identifies homologous genes in different organisms (such as worms, the fruit fly, mice, and humans). Homologous genes are genes in different species that share similar structures and functions.
Basilar: Located at or near the base of a structure, especially the base of the skull. For example, a basilar fracture is a break in the bone at the base of the skull and can be life-threatening.
- Basilar fracture
Basilar fracture: A break in bone at the base of the skull. About a half of basilar fractures are caused by bicycle or motor vehicle accidents, about a quarter by falls, and a tenth by recreational activities, particularly by diving accidents. The balance are due to other causes. No matter what cause, the risk of […]
- Baskerville effect
Baskerville effect: A fatal heart attack triggered by extreme psychological stress. The effect is named after Charles Baskerville, a character in the Arthur Conan Doyle story “The Hound of the Baskervilles,” who suffers a fatal heart attack due to extreme psychological stress. The term “Baskerville effect” was coined in 2001 in the course of a […]