IB Biology Sub-topic C2.2 Definitions
This page contains our IB Biology definitions for sub-topic C2.2. By learning each one of these definitions, you will fully cover the content for IB Biology 'Neural signalling'.
cholinergic synapse
A synapse that uses acetylcholine as a neurotransmitter
neuron
A nervous system cell that carries electrical impulses from the brain to the body or vice versa
synapse
The junction between two neurons or between a neuron and receptor or effector cell
synaptic cleft
The space between two neurons or between a neuron and receptor or effector cell
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