ChEBI

Any minor or unwanted substance introduced into the environment that can have undesired effects.

A molecular entity capable of accepting a hydron from a donor (Bronsted acid).

Any metabolite (endogenous or exogenous) found in human blood serum samples.

A xenobiotic (Greek, xenos "foreign"; bios "life") is a compound that is foreign to a living organism. Principal xenobiotics include: drugs, carcinogens and various compounds that have been introduced into the environment by artificial means.

An agent that binds to but does not activate beta-adrenergic receptors thereby blocking the actions of endogenous or exogenous beta-adrenergic agonists. beta-Adrenergic antagonists are used for treatment of hypertension, cardiac arrhythmias, angina pectoris, glaucoma, migraine headaches and anxiety.

Any drug used in the treatment of acute or chronic vascular hypertension regardless of pharmacological mechanism.

An agent that binds to but does not activate beta-adrenergic receptors thereby blocking the actions of endogenous or exogenous beta-adrenergic agonists. beta-Adrenergic antagonists are used for treatment of hypertension, cardiac arrhythmias, angina pectoris, glaucoma, migraine headaches and anxiety.

Anxiolytic drugs are agents that alleviate anxiety, tension, and anxiety disorders, promote sedation, and have a calming effect without affecting clarity of consciousness or neurologic conditions.

A drug used for the treatment or prevention of cardiac arrhythmias. Anti-arrhythmia drugs may affect the polarisation-repolarisation phase of the action potential, its excitability or refractoriness, or impulse conduction or membrane responsiveness within cardiac fibres.

A drug used to cause dilation of the blood vessels.