Main Differences between Somatic Motor and visceral motor nerve Somatic Visceral Effectors Skeletal muscles Cardiac, smooth muscles and glands Control Voluntary Involuntary(unconsciousness (consciousness) From lower Single neuron Two neurons. center to effect Preganglionic neuron or to require Postganglionic neuron Kind of fibers One TWo: sympathetic parasympathetic Fibers Thick myelinated Preganglionic: thin myelinated postganglionic: unmyelinated Distributive form Nerve trunk Nerve plexuses Transmitter Acetylcholine Preganglionic: acetylcholine postganglionic: Ach or NE Ach-acetyIcholine. NE-nonepinephrine7 Main Differences Between Somatic Motor and Visceral Motor Nerve Somatic Visceral Effectors Skeletal muscles Cardiac, smooth muscles and glands Control Voluntary (consciousness) Involuntary (unconsciousness ) From lower center to effect￾or to require Single neuron Two neurons: Preganglionic neuron, Postganglionic neuron Kind of fibers One Two: sympathetic & parasympathetic Fibers Thick myelinated Preganglionic: thin myelinated postganglionic: unmyelinated Distributive form Nerve trunk Nerve plexuses Transmitter Acetylcholine Preganglionic: acetylcholine postganglionic: Ach or NE Ach-acetylcholine. NE-nonepinephrine