咽造口术：由手术作成通向咽腔的人工开口- clonus
- clopamide
- Clopane
- clopenthixol
- clopidol
- clopimozide
- clopirac
- cloprednol
- cloprostenol
- Cloquet's canal,fascia,hernis,ligament,septum
- Cloquet's ganglion(pseudoganglion)
- clorazepate
- clorazepic acid
- clorexolone
- cloroperone hydrochloride
- clorophene
- Clorpactin XCB
- clorprenaline hydrochloride
- clortermine hydrochloride
- closantel
- closiramine aceturate
- clostridia
- clostridial
- clostridiopeptidase
- Clostridium