stomatitis parasitica [Gk, stoma, mouth, itis, inflammation, parasitos, guest] , an inflammation of the mucous membranes of the mouth by a yeast fungus, Candida albicans, typically expressed by a white coating on the tongue. It may affect infants or immunosuppressed people with human immunodeficiency virus or appear as an outgrowth secondary to antibiotic therapy. Also called thrush.