D006207Level 4

Half-Life

**Definition:** The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity.

**Tree numbers:** - G01.910.405

**Synonyms:** - Halflife

GET/api/v1/systems/mesh/nodes/D006207

Official DownloadPublic Domain (US Government)Source

Hierarchy Explorer

Cross-system equivalences0

No cross-system equivalences mapped for this node.

Report a data issue