chemical

1
Synapses
chemical
electrical
synaptic cleft between the cells chemical
mediators amplification relatively
slow several modulation points one way
Direct cell contact (gap junctions) no chemical
mediators no amplification relatively fast few
modulation points one-two ways
scheletric muscle contraction secretion neuron
communication
heart some types of smooth cells neuron
communication
2
Gap junctions
3
Chemical synapses
Potsynaptic effects can be mediated by direct and
indirect mechanisms
4
Membrane traffiking at the presynaptic terminal