| Abbreviations | Meaning |
 | NS | Nasospinale; Nerves |
 | CII | Second Cranial Nerve |
 | EMG/NCV | Electromyography/nerve Conduction Velocity [test] |
 | NGC | National Guidelines Clearinghouse [database]; Nerve Guidance Conduit; Nucleus Reticularis Gigantocellularis |
 | GCNST | Granular Cell Nerve Sheath Tumor |
 | ANGFA | Antinerve Growth Factor Antibody |
 | NCS | Nerve Conduction Studies |
 | RNFL | Retinal Nerve Fiber Layer |
 | CN | Cranial Nerve |
 | CR NN, CR NN | Cranial Nerves |
 | PNM | Perinatal Mortality; Peripheral Dysostosis, Nasal Hypoplasia, And Mental Retardation [syndrome]; Peripheral Nerve Myelin |
 | CI | First Cranial Nerve |
 | NCV | Nerve Conduction Velocity; Noncholera Vibrio |
 | CNXI | Eleventh Cranial Nerve [accessory] |
 | NAP | Nerve Action Potential |