i-linei.miatrogenicibdicterusidiopathicifaigaigdigeiggigmIleitisIleocecalimimmune responseimmune-mediatedImmunizationImmunodeficiencyImmunoglobulinImmunosuppressantImmunotherapyimprintingin situ - in placein vitroin vitro mutagenesisin vivoinactivated vaccineInbredinbreedinginbreeding coefficientinbreeding depressioninbreeding loadincarcerationIncisioninclusion bodyinco-ordinationincomplete penetranceIncontinenceincubation periodindicationinduced ovulationInduratedinfarcationInfarctinfectionInfectiousinfectious agentsInfertilityinflammationinflammatory bowel diseaseinfluenzainfrared lampInguinalinheritedinjectioninjectioninoculationinspiration (respiration)InspissatedinsulinInsulinomaintactIntegumentIntercellularInterdigitalinternal parasitesinterspecificInterstitialintestineintra-articularintracranialIntradermalintramuscularintranasalIntraosseousintraperitonealintraspecificintravenousintronintussesception (intestinal)intussusceptionipIridocyclitisiritisIrritable Bowel Syndromeisogeneicisotoniciv