Summary of Autonomic (sympathetic and parasympathetic) innervation (exam 2)

organs of the skin/body wall

sweat glands, sebaceous glands, arrector muscles

how does the skin/body wall get blood supply

cutaneous vessels

Sympathetic: Spinal cord origin of pre-synaptic Neuron #1 for skin/body wall

T1-L2 spinal cord levels

Parasympathetic: Origin of pre-synaptic Neuron #1 for skin/body wall

none

Pain from organs (ischemia, distension, inflammation) is referred to dermatomes: skin/body wall

at corresponding dermatome level

organs of the thorax

heart, lungs

how does the thorax get blood supply

branches off of aorta

Sympathetic: Spinal cord origin of pre-synaptic Neuron #1 for thorax

T1-T5 spinal cord levels

Parasympathetic: Origin of pre-synaptic Neuron #1 for thorax

Vagus n. (CN X)

Pain from organs (ischemia, distension, inflammation) is referred to dermatomes: thorax

T1-T5 dermatomes

organs of the foregut

liver, pancreas, spleen, stomach, duodenum

how does the foregut get blood supply

branches of celiac trunk

Sympathetic: Spinal cord origin of pre-synaptic Neuron #1 for the foregut

T5-T9 spinal cord levels

Parasympathetic: Origin of pre-synaptic Neuron #1 for the foregut

Vagus n. (CN X)

Pain from organs (ischemia, distension, inflammation) is referred to dermatomes: foregut

T5-T9 dermatomes

organs of the midgut

jejunum, ileum, cecum, ascending colon, transverse colon, kidneys

how does the midgut get blood supply

branches of superior mesenteric artery

Sympathetic: Spinal cord origin of pre-synaptic Neuron #1 for midgut

T9-T12 spinal cord levels

Parasympathetic: Origin of pre-synaptic Neuron #1 for midgut

Vagus n. (CN X)

Pain from organs (ischemia, distension, inflammation) is referred to dermatomes: midgut

T9-T12 dermatomes

organs of the hindgut

descending colon, rectum, ovary, testis

how does the hindgut get blood supply

branches of inferior mesenteric artery

Sympathetic: Spinal cord origin of pre-synaptic Neuron #1 for the hindgut

T12-L2 spinal cord levels

Parasympathetic: Origin of pre-synaptic Neuron #1 for the hindgut

S2-S4 spinal cord levels

Pain from organs (ischemia, distension, inflammation) is referred to dermatomes: hindgut

T12-L2 dermatomes

organs of the pelvis touching peritoneum ("above pelvic pain line")

fundus of bladder, fundus of uterus

how does the pelvis touching peritoneum ("above pelvic pain line") get blood supply

branches of internal iliac arteries

Sympathetic: Spinal cord origin of pre-synaptic Neuron #1 for the pelvis touching peritoneum ("above pelvic pain line")

L1-L2 spinal cord levels

Parasympathetic: Origin of pre-synaptic Neuron #1 for the pelvis touching peritoneum ("above pelvic pain line")

S2-S4 spinal cord levels

Pain from organs (ischemia, distension, inflammation) is referred to dermatomes: pelvis touching peritoneum ("above pelvic pain line")

L1-L2 dermatomes

what are the organs of the pelvis below peritoneum ("below pelvic pain line")

anal canal, base of bladder, prostate, cervix of uterus

how does the pelvis below peritoneum ("below pelvic pain line") get blood supply

branches of internal iliac arteries

Sympathetic: Spinal cord origin of pre-synaptic Neuron #1 for the pelvis below peritoneum ("below pelvic pain line")

L1-L2 spinal cord levels

Parasympathetic: Origin of pre-synaptic Neuron #1 for the pelvis below peritoneum ("below pelvic pain line")

S2-S4 spinal cord levels

Pain from organs (ischemia, distension, inflammation) is referred to dermatomes: pelvis below peritoneum ("below pelvic pain line")

S2-S4 dermatomes

organs of the perineum

erectile tissue (corpus cavernosus, corpus spongiosus)

how does the perineum get blood supply

branches of internal iliac arteries

Sympathetic: Spinal cord origin of pre-synaptic Neuron #1 for the perineum

L1-L2 spinal cord levels

Parasympathetic: Origin of pre-synaptic Neuron #1 for the perineum

S2-S4 spinal cord levels

Pain from organs (ischemia, distension, inflammation) is referred to dermatomes: perineum

S2-S4 dermatomes