[ˈreidjəs]
〔复radii〕①半径：圆(球)心至圆(球)外周线的任何一条直线；②界限，范围：从既定的某一点或某一中心，以固定的距离所确立的圆形区域；③辐射线：用于解剖学命名的一种放射状结构；④桡骨〔NA〕：前臂外侧(拇指侧)骨，近端与肱骨和尺骨接合构成关节，远端与腕和尺骨接合构成关节
习惯用语radius curvus
桡骨弯曲：马德隆氏畸形radius fixus
固定半径：从犁蝶点到枕外隆凸尖的直线radii of lens,radii lentis
晶状体辐射线：眼晶状体轴中点至晶状体色膜的假想线Van der Waals radius
范德瓦尔斯范围：化合键结构中范德瓦尔斯引力和斥力处于平衡的区间- pestology
- PET
- -petal
- petalobacteria
- petechia
- petechiae
- petechial
- Petersen's bag
- Peters' ovum
- pethidine hydrochloride
- petiolate, petiolated
- petiole
- petioled
- petiolus
- petit mal
- Petit's canal, sinus
- Petit's hernia,ligament,triangle
- Petit's law
- petrichloral
- Petri dish, plate,test(reaction)
- petrifaction
- petroccipital
- petrolate
- petrolatoma
- petrolatum