Some major examples of osmosis: 1  Absorption of water by plant roots. 2  Reabsorption of water by the proximal and distal convoluted tubules of the nephron. 3  Reabsorption of tissue fluid into the venule ends of the blood capillaries. 4  Absorption of water by the alimentary canal â stomach, small intestine and the colon.
Cancer treatment â Patients being treated for cancer with chemotherapy or radiation may experience a metallic taste. Pregnancy â During the early stages of pregnancy, some women find that their sense of taste changes. One of those changes may be a metallic taste.
Plaque buildup, gingivitis, periodontitis, tooth decay and abscesses can produce a bad taste in your mouth, which may be experienced as a metallic taste. Sinus infections and medicines or illnesses that cause dryness of the mouth, such as lichen planus and sicca syndrome, can also sometimes lead to a metallic taste.