Effects of tightlacing on the body Others believed that every time the bladder or rectum emptied, the uterus was unable to be lifted back into place due to weak ligaments, causing head and back pain, and inability to stand or walk, and improper menstruation. However, this line of thought rested on very little evidence and the assumption that the uterus was one of the most important organs in a woman's body, and it is unlikely that the uterus actually suffered from corsetry. Victorian doctors believed there was a relationship between gallstones and tightlacing, the corset causing extreme weight loss. (Gallstones are the result of the body
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