[ˌpri:prəuˈinsjulin]
前胰岛素原：胰岛素原的前身物，在氨基端有一附加多肽序列- extrarectus
- extraserous
- extrasomatic
- extrasuprarenal
- extrasystole
- extrathoracic
- extratracheal
- extratubal
- extratympanic
- extrauterine
- extravaginal
- extravasation
- extravascular
- extraventricular
- extraversion
- extravert
- extremital
- extremitas
- extremity
- extrinsic
- extro-
- extrogastrulation
- extrophia
- extroversion
- extrovert