Cryptitis

In histology, cryptitis refers to inflammation of an intestinal crypt.

Micrograph showing cryptitis in a case of Crohn's disease. H&E stain.

Cryptitis is a non-specific histopathologic finding that is seen in several conditions, e.g. inflammatory bowel disease,[1] diverticular disease,[2] radiation colitis,[3] infectious colitis.

Additional images
gollark: Great!
gollark: That's not actually what I said.
gollark: I failed to come up with a non-politically-charged example so I'll just use a horribly politically charged one: people arguing over statements like "abortion is murder" is pointless, as you're basically just arguing over whether you get to associate it with bad things or not, instead of getting to the actual underlying questions about, say, rights of unborn babies.
gollark: It doesn't help your argument, or help people more accurately think about the actions, or whatever.
gollark: I am talking meta-level here; I'm not saying "culling is unhelpful" but "it doesn't actually help anything to try and shove things into the culling box".

References
  1. Al-Hussaini, AA.; Machida, HM.; Butzner, JD. (Jul 2003). "Crohn's disease and cheilitis". Can J Gastroenterol. 17 (7): 445–7. PMID 12915919.
  2. West, AB.; Losada, M. (2004). "The pathology of diverticulosis coli". J Clin Gastroenterol. 38 (5 Suppl 1): S11–6. PMID 15115923.
  3. Hovdenak, N.; Fajardo, LF.; Hauer-Jensen, M. (Nov 2000). "Acute radiation proctitis: a sequential clinicopathologic study during pelvic radiotherapy". Int J Radiat Oncol Biol Phys. 48 (4): 1111–7. doi:10.1016/s0360-3016(00)00744-6. PMID 11072170.
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