ANS Flashcards
anatomical term for the sympathetic division of the ANS
thoracolumbar
anatomical term for the parasympathetic division of the ANS
craniosacral
division of the ANS responsible for homeostasis
parasympathetic
division of the ANS responsible for the “fight or flight” response
sympathetic
ANS neurons that release epinephrine and norepinephrine
postganglionic sympathetic
neurotransmitter released by most ANS neurons
ACh (acetylcholine)
Cell bodies of preganglionic neurons of the sympathetic system are located in ____.
thoracic lumbar spinal cord
Cell bodies of postganglionic neurons of the sympathetic system are located in ____.
paravertebral ganglia
Cell bodies of preganglionic neurons of the parasympathetic system are located in ___.
cranial nerve nuclei sacral spinal cord
Cell bodies of postganglionic neurons of the parasympathetic system are located in ___.
in or near target organs
Axons of ____ neurons in the sympathetic system are relatively long.
postganglionic
Axons of ____ neurons in the parasympathetic system are relatively long.
preganglionic
An increase in heart rate is a ____ response.
sympathetic
An increase in digestion is a ____ response.
parasympathetic
Dilation of the pupil is a ____ response.
sympathetic