Definition
Penicillin O is a type of penicillin with a specific chemical structure that differs from more common forms like Penicillin G or V. It was studied for its antibacterial properties but is not widely used clinically today. Think of it as a rare Pokémon 👾 – it exists, but you don't see it often in battles. It works against bacteria, interfering with their cell wall synthesis. However, other penicillins have proven more effective or easier to produce. It mainly holds historical interest in the development of antibiotics.