| Abbreviations | Meaning |
 | PABA, PABA | Para-aminobenzoic Acid |
 | NTA | Natural Thymocytotoxic Autoantibody; Nitrilotriacetic Acid; Nurse Training Act |
 | AA | Alcoholics Anonymous; Allergic Alveolitis; Alopecia Areata; Alveolo-arterial; Aminoacetone; Amino Acid; Aminoacyl; Amyloid A |
 | DDNA | Denatured Deoxyribonucleic Acid |
 | YRRM | Y Ribonucleic Acid [RNA] Recognition Motif |
 | SFA | Saturated Fatty Acids |
 | NASBA | Nucleic Acid Sequence-based Amplification |
 | NDFDA | Nonadecafluoro-n-decanoic Acid |
 | GO | Gastro-[o]esophageal; Geroderma Osteodysplastica; Glutamic Oxylacetic [acid]; Gonorrhea; Glucose Oxidase |
 | NAT | Nucleic Acid Amplification Testing |
 | AC | Acceleration; Acetyl; Acid; Acromioclavicular; Acute; Alternating Current; Antecubital; Anterior Chamber; Atrial Contraction; Axiocervical |
 | OA | Orotic Acid |
 | TRNS | Transfer Ribonucleic Acid Serine |
 | INAH | Isonicotinic Acid Hydrazide |
 | PAST | Periodic Acid-Schiff Technique |