The story
Abbreviation of "radiosensitivity, immunodeficiency, dysmorphic features and learning difficulties", modeled after riddle.
Etymology from Wiktionary, CC BY-SA 4.0.
RIDDLE syndrome
Today it means: A rare syndrome of which symptoms include facial dysmorphism, short stature, motor control and learning difficulties, ataxia, microcephaly, conjunctival telangiectasia, recurring sinus infections, late onset of pulmonary fibrosis, increased alphafetoproteins, and increased radiosensitivity. Full definition →