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.
Metallic Taste and Taste Disorders. 1  A metallic taste in your mouth is a type of taste disorder known medically as parageusia. 2  Common causes include new medications, pregnancy, and food allergies.  In rare cases, metallic taste can be a sign of Parkinsonâs or Alzheimerâs disease.