part of part of has potential to develop into reproductive system gonad primordium gonad primordium EFO:0003651 EHDAA:5927 EMAPA:17204 Immature reproductive tissue that has not undergone final maturation into either testis or ovary.[TAO] Portion of tissue that gives rise to the immature gonad. RETIRED_EHDAA2:0002148 TAO:0001262 UBERON:0005564 WBbt:0008366 ZFA:0001262 future gonad gonadal primordium immature gonad primitive gonad this is a very broad grouping class uberon undifferentiated gonad