拟杆菌科(Bacteroidacea-e)的一属，为革兰阴性、厌氧、微弯曲、杆状微生物，可见于包装损坏的啤酒，其模式种为P.cerevisiiphilus- photoncia
- photone
- 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