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Model Of The Internal Anatomy Of The Urinary Tract Of An Adult Human Body Of Indeterminate Sex, Anterior View. The Deep Organs Can Be Seen Here Thanks To The Removal Of Both The Digestive System Liver, Gallblader, Stomach, Pancreas, Intestines And The Reproductive Organs. The Pelvic Cavity Is Surrounded By The Pelvic Bones, Composed In The Anterior Region Of The Iliac Bones, Joining Together At The Pubic Symphysis Light Blue. A Portion Of The Rectum Brown Appears In Frontal Section Under The Sacral Promontory Hip Bone, Off White With Pale Blue Stripes. The Kidneys Filter The Blood That They Receive From The Renal Artery Red, A Branch Of The Abdominal Aorta, Producing Urine, Which Is Then Collected In The Renal Pelvis Central Structure Of The Kidney, Beige, And Carried By The Ureters Beige Ducts To The Urinary Bladder Tan. The Filtered Blood Is Next Drained By The Renal Vein Blue, Which Empties Into The Inferior Vena Cava. The Right Kidney Is Shown In Frontal Section, Exposing Its Internal Anatomy. It Is Composed Of The Cortex Pinkish Superficial Area And The Medulla, Which Includes Several Malpighian Pyramids Pink. The Top Of Each Pyramid, Called The Papilla, Leads To A Calyx Cup Shaped White Structure That Collects The Urine And Pours It Out Into The Renal Pelvis. The Kidneys Are Surmounted By The Hormone Secreting Adrenal Glands Orange. The Abdominal Aorta Red Divides Into The Right And Left Common Iliac Arteries, Then Into The External Iliac Arteries In The Pelvis To Irrigate The Lower Limbs. It Ramifies In Order To Vascularize The Abdominal Organs, Such As The Renal Arteries For The Kidneys, And The Genital Arteries Ovarian In Women And Testicular In Men Running Alongside The External Iliac Arteries And Carrying Oxygenated Blood To The Reproductive Organs. In Parallel, The External Iliac Veins Blue, Draining The Lower Limbs, Empty Into The Common Iliac Veins, Whic (Photo By BSIP/UIG Via Getty Images)