[bækˌtiəriərəuˈdɔpsin]
菌视紫质：一种紫色色素，与视紫质相似，在嗜盐菌属(Halobacterium)的细菌细胞膜中出现，能将日光直接转换成电化学能- polyadenoma
- polyadenomatosis
- polyadenopathy
- polyadenosis
- polyadenous
- polyadenylate
- polyalcoholism
- polyalgesia
- polyamine
- polyandry
- Polyangiaceae
- Polyangium
- polyarteritis
- polyarthric
- polyarthritis
- polyarticular
- Polya's operation
- polyatomic
- polyauxotroph
- polyauxotrophic
- polyavitaminosis
- polyaxon
- polyaxonic
- polyazin
- polybasic