BRAINCAKESynapses
Two connecting neurones are not in physical contact with each other but there is a gap between the presynaptic knob and the postsynaptic neurone.
Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz
BrainCake is free. Make an account in seconds and pick up where this page stops.
Key terms in this lesson
- neurotransmitter
- A chemical released by a presynaptic neurone that diffuses across a synapse and binds to receptors on the postsynaptic cell, altering its membrane potential.
More in Neuronal Communication
- Hyperpolarisation
- The Action Potential
- Nerve Impulse
- Saltatory Conduction
- Neurotransmitters
- Transmission of Impulse across Synapse
- The Role of Synapses
- Summation
All 38 lessons in Neuronal Communication · All AQA A-level Biology topics