| photophore | 1. A lamp with reflector used in laryngoscopy and in the examination of other internal parts of the body. 2. In bacteriology, the organ producing intracellular bioluminescence in certain organisms. Origin: photo-+ G. Phoros, bearing (05 Mar 2000) |
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| photophoresis | See: extracorporeal photophoresis. Extracorporeal photophoresis, destruction of cells separated from blood in an extracorporeal flow system by ultraviolet activation of chemotherapeutic agents such as psoralens. (05 Mar 2000) |