| Abbreviations | Meaning |
 | NRI | Nerve Root Involvement; Nerve Root Irritation; Nonrespiratory Infection |
| NAP | Nerve Action Potential |
| CNXI | Eleventh Cranial Nerve [accessory] |
| CNI | Center Of Nuclear Image; Chronic Nerve Irritation; Community Nutrition Institute |
| CVI | Sixth Cranial Nerve |
| CIX-CXII | Ninth To Twelfth Cranial Nerves |
| CN VII | Seventh Cranial Nerve [facial] |
| CII | Second Cranial Nerve |
| UNCV | Ulnar Nerve Conduction Velocity |
| PN | Phrenic Nerve |
| PNI | Peripheral Nerve Injury |
| NAPPS | Nerve Agent Pyridostigmine Pretreatment Set |
| NR | Nerve Root |
| GVE | General Visceral Efferent [nerve] |
| PNS | Peripheral Nerve Stimulation |
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