The gut epithelium--a first level lymphoid organ?
D000818:Animals; D001717:Birds; D002060:Bursa of Fabricius / Q000378:metabolism; D002432:Cecum / Q000378:metabolism; D002449:Cell Aggregation; D003106:Colon / Q000378:metabolism; D004247:DNA / Q000096:biosynthesis; D004848:Epithelium / Q000378:metabolism*; D005399:Fishes; D005753:Gastric Mucosa / Q000378:metabolism; D005856:Germ-Free Life; D007082:Ileum / Q000378:metabolism; D007413:Intestinal Mucosa / Q000378:metabolism*; D007421:Intestine, Small / Q000378:metabolism; D007583:Jejunum / Q000378:metabolism; D007700:Kinetics; D008214:Lymphocytes / Q000378:metabolism; D008221:Lymphoid Tissue / Q000378:metabolism*; D051381:Rats; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
D014316:Tritium; D004247:DNA; D013936:Thymidine