| MI | record on microfilm |
|---|---|
| MI | a fossil that must be studied microscopically |
| MI | a unit of magnetic flux density equal to one millionth of a gauss |
| MI | neuroglial tissue of mesodermal origin that can become phagocytic |
| MI | a cell of the microglia that may become phagocytic and collect waste products of nerve tissue |
| MI | one millionth of a gram |
| MI | epiphytic ferns of tropical America and Africa |
| MI | epiphytic ferns with long rhizomes |
| MI | narrow-mouthed toads and sheep frogs |
| MI | large genus of fragrant chiefly Old World herbs |
| MI | trailing perennial evergreen herb of northwestern United States with small white flowers |
| MI | trailing perennial evergreen herb of northwestern United States with small white flowers |