| C6 | sixth cervical nerve; sixth cervical vertebra; sixth component of complement |
|---|---|
| C7 | seventh cervical nerve; seventh cervical vertebra; seventh component of complement |
| CS | calf serum; campomelic syndrome; carcinoid syndrome; cardiogenic shock; caries-susceptible; carotid ... |
| CSPINE | corticosteroid use, seropositive RA, peripheral joint destruction, involvement of cervical nerves, n... |
| CIN | Cervical Intraepithelial Neoplasia |