功能前的：指器官原基已形成，但还不能执行其特定功能的胚胎发育时期- photoheterotrophic
- photohmic
- photoinactivation
- photokinesis
- photokinetic
- photokymograph
- photolethal
- photology
- photoluminescence
- photolysis
- photolyte
- photolytic
- photoma
- photomagnetism
- photometer
- photomethemoglobin
- photometry
- photomicrograph
- photomicrography
- photomicroscope
- photomicroscopy
- photomorphogenesis
- photomyoclonic
- photomyogenic
- photon