ANS Flashcards
The sympathetic division has [short/long] preganglionic fibers, and the parasympathetic division has [short/long] preganglionic fibers
Short
Long
Sympathetic postganglionic fibers release [???] and parasympathetic postganglionic fibers release [???]
Norepinephrine
Acetylcholine
Sympathetic neurons originate in the [???] and [???] regions of the spinal cord
Thoracic
Lumbar
Parasympathetic motor neurons originate in the [???] or [???]
Brain stem
Sacral spinal cord
Do white rami communicantes contain sympathetic or parasympathetic fibers? Preganglionic or postganglionic?
Sympathetic
Preganglionic
Do gray rami communicantes contain sympathetic or parasympathetic fibers? Preganglionic or postganglionic?
Sympathetic
Postganglionic (back to nerve]
White rami go from [???] to [???] and gray rami go from [???] to [???]
ventral rami of spinal nerve, ganglion
Ganglion, ventral rami of spinal nerve
Norepinephrine is a [???] when released by sympathetic postganglionic nerve and [???] when released by adrenal medulla
Neurotransmitter
Hormone