About
The Extramural Glossary website provides concise definitions and descriptions of terms and acronyms for NIH grants and contracts activity. The content will be updated and revised on a continuing basis. Please submit comments, corrections, and suggestions for new or missing terms, acronyms, definitions, and descriptions to Peter J. Wirth at peter.wirth@nih.gov.
| The total number of Terms is 1545. |
| The total number of Acronyms is 701. |
| The total number of Definitions is 1099. |
