The gastroscopic diagnosis of gastritis with particular reference to mucosal reddening and mucus covering.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001284:Atrophy; D001706:Biopsy; D005260:Female; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000378:metabolism; D005753:Gastric Mucosa / Q000473:pathology*; D005756:Gastritis / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000378:metabolism / Q000473:pathology; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008722:Methods; D008854:Microscopy, Electron; D008875:Middle Aged; D011859:Radiography