The document discusses several terms related to the digestive system: anorexia refers to loss of appetite or the eating disorder anorexia nervosa; a crown is an artificial covering placed on a tooth; a polyp is a small tumor attached by a stem commonly found in the colon or nasal cavity and may be cancerous; and cachexia involves weight loss and wasting during a chronic disease.
2. AnorexiaA general term meaning loss of appetite that may accompany other conditions. Also used to refer to anorexia nervosa, which is a personality disorder involving refusal to eat.
4. PolypSmall tumor with a pedicle or stem attachment. Commonly found on mucous membranes such as those lining the colon or nasal cavity. Colon polyps may be cancerous.