eating disorder anorexia nervosa 307.1 http://purl.bioontology.org/ontology/MEDDRA/10002649 http://purl.bioontology.org/ontology/MESH/D000856 http://purl.bioontology.org/ontology/SNOMEDCT/56882008 http://purl.obolibrary.org/obo/DOID_8689 http://purl.obolibrary.org/obo/NCIT_C34387 https://en.wikipedia.org/wiki/Anorexia_nervosa https://en.wikipedia.org/wiki/Category:Anorexia_nervosa https://homosaurus.org/terms/anorexiaNervosa https://www.wikidata.org/wiki/Q131749 F50.0 AN Although anorexia nervosa is often simply referred to as "anorexia", "anorexia" refers to anorexia behavior and not the disorder itself. An eating disorder characterized by refusal to maintain a healthy body weight, and an obsessive fear of gaining weight due to a distorted self image. An eating disorder that is characterized by the lack or loss of appetite, known as anorexia. Other features include excess fear of becoming overweight; body image disturbance; significant weight loss; refusal to maintain minimal normal weight; and amenorrhea. anorexia