WHY DOES THE SUPERIOR RECTAL ARTERY SKIP THE MIDDLE AND LOWER PARTS OF THE RECTUM BUT SUPPLIES THE UPPER PART OF ANAL CANAL? - Stany Lobo; Mangala Kumari; Thejodhar Pulakunta; Sudarshan S; Rajasekaran Koteeswaran; Tiffany Kurian (Asociación Argentina de Anatomía Clínica, 2021)