Villus atrophy with intact/hypertrophic crypt glands
- Insult affects the villus enterocytes leading to increased loss.
- Under mild insult, villi may fully regenerate.
- Severe insult leads to immature cells on the villus.
- Secrete water and electrolytes into lumen.
- Examples include:
- Rotavirus, Coronavirus
- Infect villus enterocytes.
- Coccidia
- Infect surface enterocytes.
- Nematodes
- Abrase surface.
- Rotavirus, Coronavirus