All GOD's creatures got dedicated mucosal immunity.
Flajnik
Martin F
MF
Department of Microbiology and Immunology, University of Maryland at Baltimore, Baltimore, MD, USA. mflajnik@som.umaryland.edu
D000818:Animals; D019143:Evolution, Molecular; D041981:Gastrointestinal Tract / Q000276:immunology / Q000382:microbiology; D018928:Immunity, Mucosal; D007070:Immunoglobulin A / Q000235:genetics / Q000276:immunology; D007136:Immunoglobulins / Q000276:immunology
D007070:Immunoglobulin A; D007136:Immunoglobulins