A rare congenital condition called a patent urachus causes a failure in the closure of the tube (urachus) that connects the fetal bladder to the belly button, allowing urine to leak from the navel. While typically diagnosed in newborns, this, or other urachal anomalies, can occur in adults. #humanbodyfacts #fyppppppppppppppppppppppp #humanbody #sciencefacts #creepy