agonist Definition
ago·nist (ag′ə nist′)
noun
- one who takes part in a struggle, as a main character in a drama
- a muscle whose action on a joint or orifice is opposed by the action of another muscle, the antagonist
Etymology: back-form. < antagonist
agonist Usage Examples
Converse of object
- longer-act: These could include alternative forms of injectable opioid maintenance using longer-acting agonists such as methadone and partial agonists such as buprenorphine.
- act: The Nottingham team is now planning to do a similar study assessing response to longer acting beta-2 agonists.
- release: Gonadotrophin releasing hormone agonists: stimulate the release of natural sex hormones from the brain.
Adjective modifier
- beta-2: The Nottingham team is now planning to do a similar study assessing response to longer acting beta-2 agonists.
- adrenergic: Both vascular and airway smooth muscles relax in response to beta adrenergic agonists via cyclic AMP.
- 2: Short-acting ß2 agonists should be used as the initial treatment for COPD patients to relieve breathlessness.
- alpha-2: Detoxification using adrenergic alpha-2 agonists An excess of noradrenaline at the synapses is responsible for many of the withdrawal symptoms.
- cholinergic: Thus, the fact that lithium potentiates the epileptogenic effects of cholinergic agonists may be explained by its presynaptic effects.
- cb1: The main active constituent of cannabis - THC is one such CB1 receptor agonist.
Modifies a noun
- ligand: Antagonist ligands can disable the signaling of an agonist ligand.
- muscle: Weak antagonist muscles may limit speed of movement; consequently, strengthening them leads to an increase in agonist muscle movement speed.
- therapy: Potentially serious hypokalaemia may result from beta agonist therapy.
- drug: Like the LH-RH agonist drugs it cannot be predicted how long it will be effective for.
- treatment: Summary: Agonist maintenance treatment has become the first-line treatment for chronic opioid dependence.
Noun used with modifier
- dopamine: Research into dopamine agonist skin patches is in progress.
- gnrh: In general, GnRH agonists are not prescribed for more than six months.
- gonadotropin-releasing: A gonadotropin-releasing hormone agonist versus a low-dose oral contraceptive for pelvic pain associated with endometriosis.
- receptor: GABA A receptor agonists can also exacerbate absence seizures 86.
- serotonin: This medicine belongs to a group of drugs called serotonin agonists.
- apoptosis: More generally, over 100 molecules are in development as apoptosis agonists, although approaching 70 % of these remain in preclinical development.
Browse dictionary entries near agonist
- ‹ agonic line
- ‹ agonic
- ‹ agone
- ‹ agonal
- ‹ agon
- ‹ -agogue
- ‹ agog
- ‹ ago
- ‹ Agnus Dei
- ‹ agnosticism
- agonistes ›
- agonistic ›
- agonize ›
- agonizing ›
- agony ›
- agony aunt ›
- agora ›
- agoraphobia ›
- agouti ›
- agr ›

