| Abbreviations | Meaning |
 | CI | First Cranial Nerve |
| SNRB | Selective Nerve Root Block |
| C4 | Controlled Collapse Chip Connection; Fourth Cervical Nerve; Fourth Cervical Vertebra; Fourth Component Of Complement |
| SNAP | Sensory Nerve Action Potential |
| CNS | Cutaneous Nerve Stimulator |
| CNVIII | Eighth Cranial Nerve [vestibulocochlear] |
| PNI | Peripheral Nerve Injury; Postnatal Infection; Prognostic Nutritional Index |
| CIX-CXII | Ninth To Twelfth Cranial Nerves |
| NFL | Nerve Fiber Layer; Neurofilament Protein, Light Polypeptide |
| CN (2-12) | Cranial Nerves (2 To 12) |
| NN | Nerves; New Name [Lat. Nomen Novum] |
| PN | Phrenic Nerve |
| GOND | Glaucomatous Optic Nerve Damage |
| CNX | Cranial Nerve Number 10 |
| C2 | Second Cervical Nerve |
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