Biology A-Level
calcium channel blockers
What calcium channel blockers means in Biology A-Level, as defined for AQA.
Definition of calcium channel blockers
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Reference: AQA
A drug that blocks calcium ion channels, so fewer calcium ions enter the knob and fewer vesicles fuse.
Topics that use calcium channel blockers
- Synaptic transmission (A-level only) (AQA A-Level)
Related terms
- acetylcholinesterase inhibition
- agonists and antagonists
- excitatory only at the neuromuscular junction
- Inhibitory synapses and hyperpolarisation
- motor end plate
- postsynaptic receptors
- shared transmission mechanism
- stating the direction of change
Using calcium channel blockers in the exam
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