I’ve had a colonoscopy (without pain relief) where they took biopsies. The doctors said the biopsies wouldn’t hurt because the colon couldn’t feel pain, and they were indeed painless. The amount of air they pumped in was horrifically painful however.
Trapped gas sounds trivial, but can also be extremely painful. Ulcerative colitis also hurts. So does diarrhoea.
So how do these pain mechanisms work? What causes the pain, if the interior of the colon is unfeeling?
In: Biology
We just talked about this in class yesterday!! So you dont have pain receptors in your gut but you do have a lot of baroreceptors or pressure receptors to tell you when the pressure gets too high and response of high pressure from these is essentially translated as pain
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