Anorexia Nervosa, also known as anon, is related to bulimia nervosa and body dysmorphic disorder, and has symptoms including decrease in appetite An important gene associated with Anorexia Nervosa is HTR2A (5-Hydroxytryptamine Receptor 2A), and among its related pathways/superpathways are GPCR downstream signalling and Signal Transduction. The drugs Fluoxetine and Olanzapine have been mentioned in the context of this disorder. Affiliated tissues include bone and brain, and related phenotypes are Reduced mammosphere formation and nervous system