IB Biology C2.2 Definitions
This page contains our IB Biology definitions for 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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