Thinness

**Definition:** A state of insufficient flesh on the body usually defined as having a body weight less than skeletal and physical standards, such as BODY MASS INDEX, and dependent on age, sex, and genetic background.

**Tree numbers:** - C23.888.144.828 - E01.370.600.115.450.375.828 - G07.100.100.160.120.828 - G07.100.175.313.828

**Synonyms:** - Leanness