👉 The term "unexcreted" in the context of medicine refers to substances that have not been eliminated from the body through natural processes, such as faeces. These substances can include waste products, hormones, and other metabolites that are not excreted by the kidneys or other organs. Unexcreted substances may be found in various parts of the body, including the intestines, liver, lungs, and skin. They can be harmful if they accumulate in the bloodstream or reach