CD1(redirected from Antigens, cd1)
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CD1A family of MHC class I-like molecules expressed on the surface of immature thymocytes, Langerhans cells, and certain B cells; CD1 is a ligand for T cell subpopulation, is present in intestinal epithelium adjacent to GALT, possibly involved in epithelial immunity. See Gut-associated lymphoid tissue.
1. canine distemper.
2. curative dose; that which is sufficient to restore normal health.