Anatomy, Urinary Tract

Model Of The Internal Anatomy Of The Trunk 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. A Portion Of The Rectum Brown Appears In Frontal Section Under The Sacral Promontory Hip Bone, Off White With Pale Blue Stripe. The Spleen Mauve Is Located Laterally Against The Abdominal Wall. 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 Shown In Frontal Section, Flesh Colored. 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 Red Separated By The Renal Columns. 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. Vascular Tissue Is Present In The Cortex And Renal Columns. The Renal Sinus Is A Cavity Projecting From The Hilus And Containing Fat In Yellow. The Kidneys Are Surmounted By The Hormone Secreting Adrenal Glands Orange. The Urinary Bladder Wall Is Mainly Composed Of The Bladder Muscle Pink, The Contraction Of Which Allows Urine Evacuation. The Internal Wall Of This Muscle Is Covered By A Mucous Membrane Flesh Colored With Many Folds. 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 O (Photo By BSIP/UIG Via Getty Images)