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Short cholinergic preganglionic fibers.
sympathetic system
Originates in the cranial and sacral regions of the CNS
parasympathetic system
Originates in the thoracic and lumbar regions of the CNS
sympathetic system
Short cholinergic postganglinic fibers
parasympathetic system
Long adrenergic postganglionic fibers
sympathetic system
Long cholinergic preganglionic fibers
parasympathetic system
Nicotinic receptors on postganglionic neuron cell bodies
both parasympathetic and sympathetic
System that dominates in emergency “flight or flight” situations
sympathetic system
Muscarinic receptors for neurotransmitters
parasympathetic system
Innervates smooth muscle, cardiac muscle, and exocrine glands
both sympathetic and parasympathetic
Dominates in relaxed situations
parasympathetic system
Stimulation causes an erection
parasympathetic
Simulation causes ejaculation
sympathetic system
Causes a dry mouth, dilates bronchioles
sympathetic nervous system
increased pupil dilation
sympathetic activity
increased heart rate and blood flow to coronary arteries that supply heart muscle
sympathetic activity
