Definition that contains vitamin b1
- beriberi avitaminosis caused by lack of thiamine (vitamin B1)
- pernicious anaemia a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12)
- intrinsic factor a substance produced by the mucosa of the stomach and intestines that is essential for the absorption of vitamin B12
- pernicious anemia a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12)
- malignant anaemia a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12)
- malignant anemia a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12)