| Condiments | Not Available | 2 | 4 | Details |
| Connective Tissue Cells | A group of cells that includes FIBROBLASTS, cartilage cells, ADIPOCYTES, smooth muscle ... more | 1 | 0 | Details |
| Conotoxins | Peptide neurotoxins from the marine fish-hunting snails of the genus CONUS. They contai... more | 2 | 3 | Details |
| Contact Laxatives | Not Available | 9 | 15 | Details |
| Contraceptive Agents, Female | Chemical substances or agents with contraceptive activity in females. Use for female co... more | 41 | 316 | Details |
| Contraceptive Agents, Hormonal | Contraceptive agents that act on the ENDOCRINE SYSTEM. | 34 | 254 | Details |
| Contraceptive Agents, Male | Chemical substances or agents with contraceptive activity in males. Use for male contra... more | 9 | 77 | Details |
| Contraceptive Devices, Female | Not Available | 1 | 4 | Details |
| Contraceptives, Oral | Compounds, usually hormonal, taken orally in order to block ovulation and prevent the o... more | 30 | 198 | Details |
| Contraceptives, Oral, Hormonal | Oral contraceptives which owe their effectiveness to hormonal preparations. | 17 | 101 | Details |
| Contraceptives, Oral, Synthetic | Oral contraceptives which owe their effectiveness to synthetic preparations. | 18 | 98 | Details |
| Contraceptives, Postcoital | Contraceptive substances to be used after COITUS. These agents include high doses of es... more | 8 | 82 | Details |
| Contrast Media | Substances used to allow enhanced visualization of tissues. | 77 | 109 | Details |
| Convulsants | Substances that act in the brain stem or spinal cord to produce tonic or clonic convuls... more | 8 | 24 | Details |
| Coordination Complexes | Neutral or negatively charged ligands bonded to metal cations or neutral atoms. The num... more | 12 | 60 | Details |
| Copper Absorption Inhibitor | Not Available | 1 | 4 | Details |
| Copper Chelator | Not Available | 1 | 2 | Details |
| Copper Radioisotopes | Not Available | 1 | 1 | Details |
| Copper-containing Intrauterine Device | Not Available | 1 | 171 | Details |
| Coriolaceae | A family of fungi, order POLYPORALES, found on decaying wood. | 0 | 0 | Details |
| Corpus Luteum Hormones | Unsaturated pregnane derivatives containing two keto groups on side chains or ring stru... more | 3 | 48 | Details |
| Corrinoids | Cyclic TETRAPYRROLES based on the corrin skeleton. | 5 | 36 | Details |
| Corticosteroid Derivatives | Not Available | 1 | 0 | Details |
| Corticosteroid Hormone Receptor Agonists | Not Available | 31 | 252 | Details |
| Corticosteroids | Not Available | 92 | 607 | Details |