21. synapse The specialized region of contact where nurotransmitter is released from an axon to stimulate another cell is called a synapse. in the CNS such contacts are usually with the dendrites of other neruns(axodentritic synapses), but they may be with the cell body(axosomatic synapses)such contacts with the axon(axoaxonic synapses) are uncommon In the PNS the synaptic contact of motor nerves is usually with muscle or glandular epithelial cell.
Irritability – the capacity to react in graded manner to physical or chemical stimuli Conductivity – the ability to transmit excitation rapidly from one place to another
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