| CTU | cardiac-thoracic unit; centigrade thermal unit; constitutive transcription unit |
|---|---|
| CTx | cardiac transplantation; conotoxin |
| CU | cardiac unit; casein unit; cause unknown or undetermined; chymotrypsin unit; clinical unit; color un... |
| CV | cardiac volume; cardiovascular; carotenoid vesicle; cell volume; central venous; cephalic vein; cere... |
| CW | cardiac work; case work; cell wall; chemical warfare; chemical weapon; chest wall; children's ward; ... |