| Abbreviations | Meaning |
 | ACS | Acute Chest Syndrome |
 | SPEL | Syndactyly-polydactyly-earlobe [syndrome] |
 | PPS | Primary Acquired Preleukemic Syndrome |
 | AJS | Acute Joint Syndrome |
 | MMIHS | Megacystis-microcolon-intestinal Hypoperistalsis Syndrome |
 | 3-M [SYNDROME] | Initials For Miller, McKusick, And Malvaux, Who First Described The Syndrome |
 | PSS | Porcine Stress Syndrome |
 | HAIR-AN | Hyperandrogenism, Insulin Resistance, And Acanthosis Nigricans [syndrome] |
 | OCRL | Oculocerebrorenal [syndrome] Of Lowe |
 | SAS | Sleep Apnea Syndrome |
 | OHS | Ovarian Hyperstimulation Syndrome |
 | NFNS, NF-NS | Neurofibromatosis-Noonan Syndrome |
 | AHC/HHG | Adrenal Hypoplasia Congenita-hypogonadotropic Hypogonadism [syndrome] |
 | RS | Reiter Syndrome |
 | GAS | General Adaptation Syndrome |