| CLED | cystine-lactose-electrolyte-deficient [agar] |
|---|---|
| CNA | calcium nutrient agar; Canadian Nurses Association; certified nursing assistant |
| CTA | Canadian Tuberculosis Association; chemotactic activity; chromotropic acid; Committee on Thrombolyti... |
| CYE | charcoal yeast extract [agar] |
| DCA | deoxycholate-citrate agar; deoxycholic acid; desoxycorticosterone acetate; dichloroacetate |