Glossitis be an indication of an underlying serious medical condition and nearly always merits assessment by a physician or dental surgeon. Glossitis could be classified as a group of tongue diseases or gastrointestinal diseases. It may be primary, where there is no underlying cause, or secondary where it is a sign or symptom of another condition. It can be acute or chronic. Generally speaking, there are several clinical patterns of glossitis, some more common than others. Atrophic glossitis, also known as bald tongue, smooth tongue, Hunter glossitis, Moeller glossitis, or Möller-Hunter glossitis, is a condition characterized by a smooth glossy tongue
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