B

body mass index

A measure that relates body weight to height. BMI is sometimes used to measure total body fat and whether a person is a healthy weight. Excess body fat is … [Read more...]

bolus

A single dose of drug usually injected into a blood vessel over a short period of time. Also called bolus infusion. … [Read more...]

bolus infusion

A single dose of drug usually injected into a blood vessel over a short period of time. Also called bolus. … [Read more...]

bombesin

A peptide (small protein) found in the brain, gastrointestinal tract, and lungs. It causes the release of certain hormones and enzymes. It also causes smooth … [Read more...]

BON

The necrosis (death) of bone tissue caused by treatment with a bisphosphonate (a drug or substance used to treat osteoporosis, bone pain caused by some types of … [Read more...]

bone cancer

Primary bone cancer is cancer that forms in cells of the bone. Some types of primary bone cancer are osteosarcoma, Ewing sarcoma, malignant fibrous … [Read more...]

bone density

A measure of the amount of minerals (mostly calcium and phosphorous) contained in a certain volume of bone. Bone density measurements are used to diagnose … [Read more...]

bone fracture

A medical condition in which there is a break in the continuity of the bone. A bone fracture can be the result of high force impact or stress, or trivial injury … [Read more...]

bone marrow

The soft, sponge-like tissue in the center of most bones. It produces white blood cells, red blood cells, and platelets. … [Read more...]

bone marrow ablation

The destruction of bone marrow using radiation or drugs. … [Read more...]