Abdominal pain Flashcards
If a foregut structure is damaged, what carries this sensation to the CNS?
Visceral afferent nerve fibres
running along with the greater splanchnic nerve
Where in the CNS is sensation carried from a damaged foregut structure?
T5 - T9 of spinal cord
How does the CNS interpret sensation from a damaged foregut structure?
Sees the pain as being in the T5 - T9 dermatomes
the epigastric area
If a midgut structure is damaged, what carries this sensation to the CNS?
Visceral afferent nerve fibres
running along with the lesser splanchnic nerve
Where in the CNS is sensation carried to from a damaged midgut structure?
T10 - T11 of spinal cord
How does the CNS interpret sensation from a damaged midgut structure?
Sees the pain as being in the T10 - T11 dermatomes
peri-umbilical area
If a hindgut structure is damaged, what carries this sensation to the CNS?
Visceral afferent nerve fibres
running along with the least splanchnic nerve
Where in the CNS is sensation carried to from a damaged hindgut structure?
T12 of spinal cord
How does the CNS interpret sensation from a damaged hindgut structure?
Sees the pain as being in the T12 dermatome
supra-pubic area
What is it called when the CNS misinterprets where pain is coming from?
Referred pain
What is the innervation of the parietal peritoneum?
Same innervation as abdominal wall that it lines
When the parietal pertoneum is damaged, how localised is the pain?
Well-localised
