| Intraocular Pressure, drug effects | Not Available | 1 | 8 | Details |
| Intravaginal Contraceptives | Contraception method which includes intravaginal rings such as the Nuvaring. Combinatio... more | 3 | 42 | Details |
| Intreleukin Antagonists | Not Available | 0 | 0 | Details |
| Intrinsic Factor | Not Available | 1 | 0 | Details |
| Invertebrate Hormones | Hormones produced by invertebrates, usually insects, mollusks, annelids, and helminths. | 2 | 1 | Details |
| Investigative Techniques | Investigative techniques used in pre-clinical and clinical research, epidemiology, chem... more | 1 | 1 | Details |
| Iodide Peroxidase, antagonists & inhibitors | Not Available | 1 | 3 | Details |
| Iodides | Inorganic binary compounds of iodine or the I- ion. | 3 | 5 | Details |
| Iodinated Contrast Agents | Not Available | 10 | 16 | Details |
| Iodine (123I) Compounds | Not Available | 2 | 2 | Details |
| Iodine (131I) Compounds | Not Available | 7 | 11 | Details |
| Iodine Compounds | Inorganic compounds that contain iodine as an integral part of the molecule. | 9 | 10 | Details |
| Iodine Isotopes | Stable iodine atoms that have the same atomic number as the element iodine, but differ ... more | 3 | 8 | Details |
| Iodine Products | Not Available | 3 | 10 | Details |
| Iodine Radioisotopes | Not Available | 10 | 8 | Details |
| Iodized Oil | A preparation of oil that contains covalently bound IODINE. It is commonly used as a RA... more | 1 | 1 | Details |
| Iodobenzenes | Any derivative of BENZENE that contains IODINE. | 6 | 8 | Details |
| Iodobenzoates | Benzoic acid esters or salts substituted with one or more iodine atoms. | 31 | 31 | Details |
| Iodophors | Complexes of iodine and non-ionic SURFACE-ACTIVE AGENTS acting as carrier and solubiliz... more | 1 | 3 | Details |
| Iodoproteins | Amino acids and chains of amino acids connected by peptide linkages. | 1 | 2 | Details |
| Iodopyridones | Iodinated pyridine derivatives that are often used as contrast media. | 2 | 0 | Details |
| Ion Channels | Gated, ion-selective glycoproteins that traverse membranes. The stimulus for ION CHANNE... more | 2 | 1 | Details |
| Ion Exchange Activity | Not Available | 1 | 1 | Details |
| Ion Exchange Resins | High molecular weight, insoluble polymers which contain functional groups that are capa... more | 3 | 5 | Details |
| Ion Pumps | A general class of integral membrane proteins that transport ions across a membrane aga... more | 1 | 0 | Details |