Poisons

**Definition:** Substances which, when ingested, inhaled, or absorbed, or when applied to, injected into, or developed within the body in relatively small amounts may, by their chemical action, cause damage to structure or disturbance of function. (From Dorland, 27th ed)

**Tree numbers:** - D27.720.777 - D27.888.569.612

**Synonyms:** - Poison