| Penicillins | A group of antibiotics that contain 6-aminopenicillanic acid with a side chain attached... more | 43 | 161 | Details |
| Penicillins With Extended Spectrum | Not Available | 19 | 61 | Details |
| Pentacyclic Triterpenes | Five-ring derivatives of dammarane having a chair-chair-chair-boat configuration. They ... more | 12 | 34 | Details |
| Pentagastrin, antagonists & inhibitors | Not Available | 1 | 2 | Details |
| Pentanoic Acids | Straight-chain CARBOXYLIC ACIDS with the general formula C5H10O2. | 6 | 66 | Details |
| Pentosephosphates | A class of organic compounds composed of carbon, hydrogen, and oxygen in a ratio of Cn(... more | 2 | 10 | Details |
| Pentoses | A class of carbohydrates that contains five carbon atoms. | 7 | 14 | Details |
| Pentosyltransferases | Enzymes of the transferase class that catalyze the transfer of a pentose group from one... more | 3 | 2 | Details |
| Pentraxins | A family of ACUTE PHASE PROTEINS characterized by a shared pentraxin PROTEIN DOMAIN. Th... more | 1 | 1 | Details |
| Pepsin A, antagonists & inhibitors | Not Available | 2 | 2 | Details |
| Peptide Fragments | Partial proteins formed by partial hydrolysis of complete proteins or generated through... more | 24 | 44 | Details |
| Peptide Hormones | Hormones synthesized from amino acids. They are distinguished from INTERCELLULAR SIGNAL... more | 139 | 302 | Details |
| Peptide Hydrolases | Hydrolases that specifically cleave the peptide bonds found in PROTEINS and PEPTIDES. E... more | 60 | 132 | Details |
| Peptides | Members of the class of compounds composed of AMINO ACIDS joined together by peptide bo... more | 606 | 1298 | Details |
| Peptides, Cyclic | Peptides whose amino and carboxy ends are linked together with a peptide bond forming a... more | 60 | 174 | Details |
| Peptidic growth hormone secretagogues | Not Available | 0 | 0 | Details |
| Peptidomimetics | Not Available | 1 | 1 | Details |
| Peptidylprolyl Isomerase, antagonists & inhibitors | Not Available | 1 | 4 | Details |
| Peptoids | Polymers of N-SUBSTITUTED GLYCINES containing chiral centers at the a-position of their... more | 3 | 5 | Details |
| Perchlorates | Not Available | 1 | 2 | Details |
| Perfume | A substance, extract, or preparation for diffusing or imparting an agreeable or attract... more | 5 | 3 | Details |
| Perilla | Not Available | 1 | 2 | Details |
| Periodontal Diseases | Not Available | 0 | 0 | Details |
| Peripheral alpha-1 blockers | This category contains drugs that block the peripheral alpha-1 receptors selectively an... more | 15 | 117 | Details |
| Peripheral Blood Mononuclear Cells | Mature LYMPHOCYTES and MONOCYTES transported by the blood to the body's extravascular s... more | 0 | 0 | Details |