Definitions for "Proband"
The individual in a family in whom an inherited trait is first identified.
The first person to be studied, from whom genetic descent may be traced.
The first member of a family to come to the notice of a researcher, and through whom investigation of a pedigree began. Normally the individual is selected because of the presence of a disorder whose inheritance is to be studied.
A Male Sifford (et al) who submits samples for the DNA study. Also referred to as "participant".
Keywords:  case, index, see
See index case.