adj. describing fibres in a nerve pathway that end in a ganglion, where they form synapses with *postganglionic fibres that continue the pathway to the effector organ, muscle or gland.
adj. describing a neuron in a nerve pathway that starts at a ganglion and ends at the muscle or gland that it supplies. In the sympathetic nervous system, postganglionic fibres are *adrenergic, unlike those in the parasympathetic system, which are *cholinergic. Compare preganglionic.... postganglionic