昆虫纲，六足虫纲：属节肢动物门(Arthropoda)。虫体分头、胸、腹三部。与医学有关的有三个目：半翅目(Hemiptera)、双翅目(Diptera)和蚤目(Siphonaptera)- cystonephrosis
- cystoneuralgia
- cystoparalysis
- cystopexy
- cystophorous
- cystophotography
- cystophthisis
- cystoplasty
- cystoplegia
- cystoproctostomy
- cystoptosis
- cystopyelitis
- cystopyelography
- cystopyelonephritis
- cystoradiography
- cystorectostomy
- cystorrhagia
- cystorrhaphy
- cystorrhea
- cystosarcoma
- cystoschisis
- cystosclerosis
- cystoscope
- cystoscopic
- cystoscopy