prune belly syndrome (MONDO_0007032) is a rare congenital disorder, belonging to the group of fetal lower urinary tract obstructions (LUTO), involving variable dilation of the lower urinary tract in association with partial or complete absence of the lateral and inferior abdominal wall musculature and in males bilateral non-palpable undescended testes. Also known as: Obrinsky syndrome, Obrisnksy syndrome, abdominal muscle deficiency syndrome, eagle-Barret syndrome, syndrome of agenesis of abdominal muscles, triad syndrome.