proband


pro·band

noun \ˈprō-ˌband, prō-ˈ\

Definition of PROBAND

:  an individual affected with a disorder who is the first subject in a study (as of a genetic character in a family lineage)

Origin of PROBAND

Latin probandus, gerundive of probare
First Known Use: circa 1929

pro·band

noun \ˈprō-ˌband\   (Medical Dictionary)

Medical Definition of PROBAND

: an individual affected with a disorder who is the first subject in a study (as of a genetic character in a family lineage)—called also propositus

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