ANATOMY, URINARY TRACT
Model of the anatomy of the urinary tract of a female adult human body, anterior view. The deep organs can be seen here thanks to the removal of the digestive system (liver, gallblader, stomach, pancreas, intestines). 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 (reddish brown, above the pubic symphysis). 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 (white) that collects the urine and pours it out into the renal pelvis. The kidneys are surmounted by the hormone-secreting adrenal glands (orange). In the pelvic cavity, the ovaries (cream-coloured) produce oocytes which are picked up by the Fallopian tubes (red) which are linked by ducts to the uterine cavity (flesh-colored). The ovaries are also connected to the uterus by their own ligaments. 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 ovarian arteries running alongside the external iliac arteries and carrying oxygenated blood to the ovaries. In parallel, the
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Photo credit: © GOUNOT/3B SCIENTIFIC / BSIP / Alamy / Afripics
License: Licensed
Model Released: No
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