ANS and Lymphatic system Flashcards
ANS involved in control of what?
involuntary control of body functions
ANS regulated by…
hypothalamus, limbic system, and brainstem
if a interneuron receives input from a visceral nociceptor, it also receives input from where?
a somatic source
80% of interneurons that receive input from somatic structures also receive what kind of input?
visceral
is there evidence for any ascending pathway that transmits ONLY visceral signals from spinal cord to brain?
Nope
where do parasympathetics arise from?
brain stem nuclei
and intermediate grey matter at S2-4, CN 3, 7, 9, and 10
where do sympathetics arise from?
intermediolateral cell column of the lateral horn of the spinal cord at T1-12 and L1-2
sympathetic cervical ganglia
superior, middle, and stellate
sympathetic paravertebral ganglia
thoracolumbar
sympathetic prevertebral ganglia
celiac, superior mesenteric, inferior mesenteric
parasympathetics to the eye
CN3
parasympathetics to the lacrimal, palatine, and submandibular gland
CN7
parasympathetics to the parotid
CN9
parasympathetics to cardio pulm and GI
CN 10
parasympathetics to the colon, rectum, and GU
S2-4
VS levels: head and neck (include upper esophagus)
T1-5
VS levels: heart
T1-6
Vagus
VS levels: lungs
T1-7
Vagus
VS levels: upper GI (include lower esophagus)
T5-10
Vagus
VS levels: small intestine and ascending colon
T9-11
vagus
VS levels: descending and sigmoid colon and rectum
T12-L2
S2-S4
VS levels: adrenal
T5-10