分娩延缓，滞产- photo-onycholysis
- photo-ophthalmia
- photoparoxysmal
- photopathy
- photoperceptive
- photoperiod
- photoperiodic
- photoperiodicity
- photoperiodism
- photopharmacology
- photophilic
- photophobia
- photophobic
- photophosphorylation
- photo-,phot-
- photophthalmia
- photopia
- photopic
- photoproduct
- photoprotection
- photopsia
- photopsin
- photopsy
- photoptarmosis
- photoptometer