| Abbreviations | Meaning |
 | PNB | Perineal Needle Biopsy; Peripheral Nerve Block; P-nitrobiphenyl; Premature Nodal Beat |
 | NET | Nasoendotracheal Tube; Nerve Excitability Test; Neuroectodermal Tumor; Neuroendocrine Tumor; Norepinephrine Transporter |
 | TBI | Traumatic Brain Injury |
 | NCV | Nerve Conduction Velocities |
 | BNP | Brain Natriuretic Peptide |
 | CN (2-12) | Cranial Nerves (2 To 12) |
 | ANO | Amiodarone Neuropathy Of The Optic Nerve |
 | BAER | Brainstem Auditory Evoked Response |
 | CN III | Third Cranial Nerve [oculomotor] |
 | OBS | Obesity; Obstetrical Service; Organic Brain Syndrome |
 | CN XII | Twelfth Cranial Nerve [hypoglossal] |
 | MBD | Minimal Brain Dysfunction |
 | B | Barn; Base; Boils At; Born; Brain; Branched; [chromosome] Break; Supramentale [point]; Twice [Lat. Bis] |
 | ABI | Ankle/brachial Index; Atherothrombotic Brain Infarct |
 | NA | Neurologic Age |