The fetal kidney.
Welch
Thomas R
TR
D004108:Dilatation, Pathologic; D005260:Female; D006801:Humans; D007682:Kidney Pelvis / Q000000981:diagnostic imaging* / Q000196:embryology*; D011247:Pregnancy; D016216:Ultrasonography, Prenatal; D001743:Urinary Bladder / Q000000981:diagnostic imaging / Q000196:embryology / Q000473:pathology