What is Neurotransmission?:
Neuron → Neuron/Cell/Organ/Muscle/Etc. Communication
Point of ‘Communication’ = The “Synapse”
Terminology:
Pre-Synaptic Neuron: The ‘Sender’ Neuron
Synaptic Cleft: The ‘Gap’ Between cells
Post-Synaptic Cell: The ‘Receiver’ ...
ANATOMY, PHYSIOLOGY &
PATHOLOGY
NOTES OF THE NERVOUS SYSTEM
AND SPECIAL SENSES
FOURTH EDITION
NEURONAL PHYSIOLOGY
, What is Neurotransmission?:
Neuron → Neuron/Cell/Organ/Muscle/Etc. Communication
Point of ‘Communication’ = The “Synapse”
Terminology:
Pre-Synaptic Neuron: The ‘Sender’ Neuron
Synaptic Cleft: The ‘Gap’ Between cells
Post-Synaptic Cell: The ‘Receiver’ Cell
Synaptic Potential: The ‘Drive’ for Transmission (that
mobilizes the synaptic vesicles to pre-synaptic membrane).
Neuron-Neuron Neurotransmission:
Note: Neurons Synapse with Each Other in 3 Ways
3 Types of Synapses:
1. Axo-Somatic: Axon → Cell Body (For Modulatory Effects)
2. Axo-Axonic: Axon → Axon (For All/Nothing Signals)
3. Axo-Dendritic: Axon → Dendrite (For Multiple Inputs to a
Neuron)
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