The phylogenetic occurrence of lymphocytes within the gut epithelium.
D000663:Amphibians; D000818:Animals; D000917:Antibody Formation; D001485:Basement Membrane / Q000166:cytology; D005075:Biological Evolution; D001717:Birds; D001772:Blood Cell Count; D002060:Bursa of Fabricius; D002645:Chickens; D002675:Child, Preschool; D004372:Ducks; D004847:Epithelial Cells; D005399:Fishes; D006801:Humans; D007413:Intestinal Mucosa / Q000166:cytology*; D008214:Lymphocytes; D051379:Mice; D008853:Microscopy; D011817:Rabbits; D051381:Rats; D012104:Reptiles; D013552:Swine