Tuberculin Unit

**Semantic type:** Quantitative Concept

**Definition:** An arbitrary unit of tuberculin dosage defined by comparison of clinical response to a preparation of the purified protein derivative standardized for use in humans for tuberculin skin test reaction.

**Synonyms:** - Tuberculin - [tb'U] - [tb'U] - [tb'U] - [tb'U] - [tb'U] - tuberculin unit - tuberculin unit - tuberculin unit - tuberculin unit - tuberculin unit(s)