1. ANS Flashcards
Head and neck (including upper esophagus)
T1-5
heart
T1-6
Lungs
T1-7
Upper GI (includes lower esophagus)
T5-10
SI/ascending colon
T9-11
Ascending and transverse colon
T10-L2
Descending and sigmoid colon/rectum
T12-L2
adrenal glands
T5-10
GU tract (+ bladder)
T10-L2
Ureter (upper/lower)
- Upper ureter: T10-11
- Lower ureter: T12-L2
Upper extremeties
T2-7
Lower extremeties
T11-L2
Heart, lungs, esophagus, upper GI, SI, kidneys, ascending and transverse colon, upper ureter
Vagus N (OA,AA)
Colon, rectum, reproductive organs, bladder, pelvis, lower ureter
Pelvic splanchnic N; S2-4 (sacrum)
_____ involuntarily controls body functions and is regulated by what?
ANS
Hypothalamus, limbic system and brainstem
Practically every interneuron that receives input from a visceral nociceptor also receives input from a __________
somatic source
Almost 80% of interneurons that receive input from somatic structures also receive _________
visceral input
There is no evidence for any ______ pathway that transmits ONLY visceral signals from the spinal cord to the brain
ascending
What nerves transmit parasympathetic information?
- From brainstem nuclei
- CN 3, 7, 9, 10
- Intermediate gray matter S2-S4
What nerves transmit sympathetic information?
- Intermediolateralcell column, located in the lateral horn of T1-L2
Sympathetic ganglia
-
Cervical
- superior
- Middle
- Stellate
- Paravertebral (thoracolumbar)
-
Prevertebral
- celiac
- Superior mesenteric
- Inferior mesenteric
What N transmits parasympathetic innervation to Cardiopulm/GI
CN10
What N transmits parasympathetic innervation to colon, rectum, GU
S2-S4
What can sustain local reflex activity independent of CNS
Enteric NS