- A compound that will take up a chemical group (an amine, methyl, or carbamoyl group) from another compound (the donor); under the action of alanine transaminase, l-glutamate is an amine donor whereas pyruvate is an amine acceptor.
- A receptor that binds a hormone.
- A drug-binding receptor that has no identified endogenase ligand.
[L. ac-cipio, pp. -ceptus, to accept]
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Examples: glitazone, GI cocktail, etc.