3d medical animation - glomerular filtration - urinary system stock-videos und b-roll-filmmaterial00:04
3d medical animation - movement of urine from kidney through renal tubules to urinary bladder - urinary system stock-videos und b-roll-filmmaterial00:35
arzt bewegt ultraschallsonde auf dem bauch der frau - urinary system stock-videos und b-roll-filmmaterial00:48