| Abbreviations | Meaning |
 | UN | Ulnar Nerve; Undernourished; Unilateral Neglect; Updraft Nebulizer; Urea Nitrogen; Urinary Nitrogen |
 | AIPFP | Acute Idiopathic Peripheral Facial Nerve Palsy |
 | AVPU | Alert, Verbal, Painful, Unresponsive [neurologic Test] |
 | BBB | Blood-brain Barrier |
 | NBD | Neurogenic Bladder Dysfunction; No Brain Damage; Nucleotide-binding Domain |
 | BNOS | Brain Nitric Oxide Synthase |
 | PNM | Perinatal Mortality; Peripheral Dysostosis, Nasal Hypoplasia, And Mental Retardation [syndrome]; Peripheral Nerve Myelin |
 | SND | Scatterer Number Density; Sinus Node Dysfunction; Striatonigral Degeneration; Sympathetic Nerve Discharge; Systematic Nodal Dissection |
 | PTN | Posterior Tibial Nerve |
 | BBB | Blood-brain Barrier; Blood Buffer Base; Bundle-branch Block |
 | TNGF | Truncated Nerve Growth Factor |
 | HBDNF | Human Brain Derived Neurotrophic Factor |
 | S1-S5 | First To Fifth Sacral Nerves |
 | BHIBA | Brain-heart Infusion Blood Agar |
 | BAER | Brain Stem Auditory Evoked Response |