Ampicillin Trihydrate

**Semantic type:** Antibiotic|Pharmacologic Substance

**Definition:** The trihydrate form of ampicillin, a broad-spectrum semisynthetic derivative of aminopenicillin. Ampicillin trihydrate inhibits bacterial cell wall synthesis by binding to penicillin binding proteins, thereby inhibiting peptidoglycan synthesis, a critical component of the bacterial cell wall.

**Synonyms:** - AMPICILLIN TRIHYDRATE