antagonist
class of pharmacological agents, which reduces or diminishes the effect of an agonist on a receptor
irreversible antagonist
type of antagonist that binds permanently to a receptor, either by forming a covalent bond to the active site, or alternatively just by binding so tightly that the rate of dissociation is effectively zero at relevant time scales
adenosine receptor antagonist
drug class
opioid antagonist
agent inhibiting the effect of narcotics on the central nervous system
hormone antagonist
chemical substance which inhibits the function of the endocrine glands, the biosynthesis of their secreted hormones, or the action of hormones upon their specific sites
channel blocker
molecule able to block protein channels, frequently used as pharmaceutical
anticholinergic
chemical substance that blocks the neurotransmitter acetylcholine in the central and the peripheral nervous system
Glycine receptor antagonist
class of compounds