| Molecular Sequence Data | Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have a... more | 0 | 0 | Details |
| Molecular Structure | The location of the atoms, groups or ions relative to one another in a molecule, as wel... more | 0 | 0 | Details |
| Mollusca | Not Available | 1 | 1 | Details |
| Molluscacides | Agents destructive to snails and other mollusks. | 1 | 3 | Details |
| Mollusk Venoms | Venoms from mollusks, including CONUS and OCTOPUS species. The venoms contain proteins,... more | 6 | 9 | Details |
| Monkeypox Vaccines | Vaccines used to protect against monkeypox virus. | 1 | 0 | Details |
| Monoamine Oxidase A Inhibitors | Not Available | 4 | 33 | Details |
| Monoamine Oxidase A Inhibitors for interaction with Monoamine Oxidase A substrates | This category has been created to cover the interactions between monoamine oxidase A (M... more | 59 | 640 | Details |
| Monoamine Oxidase A Substrates | Drugs that are metabolized either partially or completely by Monoamine Oxidase A (MAO-A... more | 14 | 156 | Details |
| Monoamine Oxidase B Inhibitors | Not Available | 4 | 47 | Details |
| Monoamine Oxidase Inhibitors | A chemically heterogeneous group of drugs that have in common the ability to block oxid... more | 37 | 193 | Details |
| Monoamine Oxidase Inhibitors, Non-Selective | Not Available | 6 | 42 | Details |
| Monobactam Antibacterial | Not Available | 1 | 5 | Details |
| Monobactams | Monocyclic, bacterially produced or semisynthetic beta-lactam antibiotics. They lack th... more | 3 | 8 | Details |
| Monoclonal antibodies and antibody drug conjugates | Not Available | 69 | 155 | Details |
| Monocyclic Sesquiterpenes | Sesquiterpene compounds that contain a single ring structure. | 1 | 1 | Details |
| Monocyte Chemoattractant Proteins | Chemokines that are chemoattractants for monocytes. These CC chemokines (cysteines adja... more | 0 | 0 | Details |
| Monokines | Soluble mediators of the immune response that are neither antibodies nor complement. Th... more | 3 | 3 | Details |
| Mononuclear Phagocyte System | Mononuclear cells with pronounced phagocytic ability that are distributed extensively i... more | 0 | 0 | Details |
| Monophenol Monooxygenase | Not Available | 1 | 1 | Details |
| Monophenol Monooxygenase, antagonists & inhibitors | Not Available | 1 | 1 | Details |
| Monophenol Monooxygenase, drug effects | Not Available | 1 | 1 | Details |
| Monosaccharides | Simple sugars, carbohydrates which cannot be decomposed by hydrolysis. They are colorle... more | 36 | 188 | Details |
| Monoterpenes | Compounds with a core of 10 carbons generally formed via the mevalonate pathway from th... more | 41 | 104 | Details |
| Mood Stabilizer | Not Available | 6 | 108 | Details |