Middlebrook 7H11S Growth Medium

**Semantic type:** Indicator, Reagent, or Diagnostic Aid

**Definition:** A solid and selective growth medium modified from the Middlebrook 7H11 agar by the addition of four antimicrobial agents: polymyxin B, carbenicillin, amphotericin B, and trimethoprim lactate.

**Synonyms:** - MIDDLEBROOK 7H11S AGAR - Middlebrook 7H11 Selective Agar