甲亚胺青霉素：半合成青霉素，对很多革兰氏阴性细菌皆有效，用于尿路感染的治疗；可供静脉或肌肉注射；同mecillinam- orthomolecular
- orthomorphia
- orthomyxovirus
- orthoneutrophil
- orthopaedic
- orthopaedics
- orthopantograph
- Orthopantomograph
- orthopedic
- orthopedics
- orthopedist
- orthopercussion
- orthophony
- orthophoria
- orthophoric
- orthophosphate
- orthophosphoric acid
- orthophosphoric ester monohydrolase
- orthopia
- orthoplessimeter
- orthopnea
- orthopneic
- orthopod
- orthopoxvirus
- Orthopoxvirus