Sequela: A pathological condition resulting from a prior disease, injury, or attack. As for example, a sequela of polio. Verbatim from the Latin "sequela" (meaning sequel). Plural: sequelae. From Healthy Resources One Clinical Trial to Long-Term RemissionGood vs Bad Advice for Type 2 DiabetesYour EGFR-Positive NSCLC Treatment Options Featured Centers What Are the Best PsA Treatments for You?Understanding Biologics 10 Things People With Depression Wish You Knew