functional group
chem. The group of atoms responsible for the characteristic reactions of organic compounds; different functional groups distinguish the different classes of compound. For example, all alcohols contain the —OH functional […]
functional magnetic resonance imaging (fMRI)
phys. Functional magnetic resonance imaging (fMRI) refers to the use of the technology of magnetic resonance imaging (MRI) to detect the localized changes in blood flow and blood oxygenation that […]