鞘铁菌属：鞘铁菌科(Siderocapsaceae)的一个革兰阴性化学无机营养菌属，为无荚膜的小球状菌，菌落外可由桔黄色氢氧化铁所包被，见于淡水和淤泥中，模式种是褐铁矿铁球菌(S. limoniticus)- prehension
- prehepaticus
- prehormone
- prehyoid
- prehypophyseal
- prehypophysial
- prehypophysis
- preictal
- preinvasive
- Preiser's disease
- Preisz-Nocard bacillus
- prekallikrein
- prelacteal
- preleukemia
- preleukemic
- prelimbic
- prelipoid
- prelocalization
- prelocomotion
- premalignant
- Premarin
- premature
- prematurity
- premaxilla
- premaxillary