Wilson's disease liver. It is due to mutations in the "COMMD1" (or "MURR1") gene. Despite this findings, "COMMD1" mutations could not be detected in humans with non-Wilsonian copper accumulation states (such as Indian childhood cirrhosis) to explain their genetic origin. Wilson's disease Wilson's disease is a genetic disorder in which copper builds up in the body. Symptoms are typically related to the brain and liver. Liver related symptoms include vomiting, weakness, fluid build up in the abdomen, swelling of the legs, yellowish skin, and itchiness. Brain related symptoms include tremors, muscle stiffness, trouble speaking, personality changes, anxiety, and seeing or hearing things
Supernumerary body part considered to have lost much or all of their original function through evolution. These body parts can be classed as additional to the required functioning of the body. In human anatomy the vermiform appendix is sometimes classed as a vestigial remnant. Prosthesis is an artificial extension that replaces a body part, and cybernetics is the study of computer technology in relation to organisms which can include replacement or additional body parts. Body integrity identity disorder (BIID) is a psychiatric disorder in which a person thinks that they have one or more additional limbs than they should, despite having two arms