Packaged Equipment, Packaging, Packaging Material, Pandemic Disease, PAR(Proven Acceptable Range), Parentral Drug(LVP and SVP), Particle, Particle Size, Particle Concentration, Parts per Billion(PPB), Parts Per Million(PPM), Passive Immunity, Passivity, Passivation, Passive Layer, Pasteurization, Pathogen, Pathogenic, Pathogenic Organisms, PE(Polyethylene), Penetrance, Penicillin, Penicillium, Peptide Hormones, Percent Recovery, Percent Rejection, Peristaltic Pump, Permeability, Permissible Exposure Limit(PEL), Permissions or Previleges, Peroxisome, Petrolatum, pH, Phage, Pharmaceutical, Pharmaceutical Area, Phenol, Physical Hazard, Photoautotrophs, Photoluminescent, Photo Oxidation, Physical Barrier, Physical Manipulation, Particulate, Next 46 - 90 Words, Next 90 - 144 Words

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Penicillin 
An antibiotic containing a ß-lactam ring that inhibits an enzyme responsible for making peptide cross-links in the bacterial cell wall. It is obtained from cultures of the molds Penicillium Notatum or Penicillium Chrysogenum. ring that inhibits an enzyme responsible for making peptide cross-links in the bacterial cell wall. It is obtained from cultures of the molds Penicillium Notatum or Penicillium Chrysogenum