| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Hematoporphyrin Derivative | Health | A complex mixture of monomeric and aggregated porphyrins used in the photodynamic therapy of tumors (hematoporphyrin photoradiation). A purified component of this mixture is known as dihematoporphyrin ether. (references) | |
| Hematoporphyrin derivative | Religion | A drug used in photodynamic therapy that is absorbed by tumor cells. When exposed to light, it becomes active and kills the cancer cells. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||