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BIOAVAILABILITY

n. in pharmacology, refers to the fraction or quantity of a drug administered and made available to the body as

BIOGENIC AMINE

n. a group of biologically-active amines which naturally occur in the body. These psychoactive neurotransmitters include serotonin, dopamine, epinephrine, and

BIOLOGICAL MARKER

n. a biological variable which accompanies a condition or disease, regardless of whether or not it directly or indirectly causes

BIOMEDICAL ENGINEERING

n. a scientific discipline which applies the principles of engineering to the biomedical field. Especially useful in the field of

BIOTAXIS

n. the classification of a living organism based on its anatomical characteristics. On a larger scale, it classifies all living