Intolerance of small amounts of lactose by individuals with low lactase levels.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003109:Colonic Diseases, Functional / Q000209:etiology; D003967:Diarrhea / Q000209:etiology; D004386:Duodenum / Q000378:metabolism; D005260:Female; D005414:Flatulence / Q000209:etiology; D005696:Galactosidases / Q000378:metabolism*; D005959:Glucosidases / Q000378:metabolism; D006801:Humans; D007082:Ileum / Q000378:metabolism; D007408:Intestinal Absorption; D007583:Jejunum / Q000201:enzymology / Q000378:metabolism; D007787:Lactose Intolerance / Q000150:complications / Q000201:enzymology* / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D011188:Potassium / Q000378:metabolism; D012964:Sodium / Q000378:metabolism; D013393:Sucrase / Q000378:metabolism
D012964:Sodium; D005696:Galactosidases; D005959:Glucosidases; D013393:Sucrase; D011188:Potassium