| CGM | central gray matter |
|---|---|
| CHAF | central hyperalimentation nutrition |
| CHS | central hypoventilation syndrome; Chediak-Higashi syndrome; cholinesterase; chondroitin sulfate; com... |
| CIHS | central infantile hypotonic syndrome |
| CIN | central inhibition; cervical intraepithelial neoplasia; chronic interstitial nephritis |