Difference between renal pelvis and renal medulla
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Check for the sectioned anatomy of a kidney to differentiate the regions:
Each renal papilla secretes urine into a minor calyx, with the infundibula of the minor calyces converging into two or three major calyces. The major calyces coalesce to form the renal pelvis and, eventually, the proximal ureter.
Each ureter travels inferiorly in the retroperitoneum, passing posterior to the bladder and inserting into the base of the bladder. The urethra originates at the bladder neck, just inferior to the ureteral orifices, and, in males, is surrounded by the prostate gland
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Each renal papilla secretes urine into a minor calyx, with the infundibula of the minor calyces converging into two or three major calyces. The major calyces coalesce to form the renal pelvis and, eventually, the proximal ureter.
Each ureter travels inferiorly in the retroperitoneum, passing posterior to the bladder and inserting into the base of the bladder. The urethra originates at the bladder neck, just inferior to the ureteral orifices, and, in males, is surrounded by the prostate gland
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In humans, the renal pelvis is the point of convergence of two or three major calyces. Each renal papilla is surrounded by a branch of the renal pelvis called a calyx.
The major function of the renal pelvis is to act as a funnel for urine flowing to the ureter.
The renal pelvis is the location of several kinds of kidney cancer.
Its mucous membrane is covered with transitional epithelium, and an underlying lamina propria of loose to dense connective tissue.
The renal medulla is the innermost part of thekidney. The renal medulla is split up into a number of sections, known as the renal pyramids. Blood enters into the kidney via the renal artery, which then splits up to form the interlobar arteries. The interlobar arterieseach in turn branch into arcuate arteries, which in turn branch to form interlobular arteries, and these finally reach the glomeruli. At the glomerulus the blood reaches a highly disfavourable pressure gradient and a large exchange surface area, which forces theserum portion of the blood out of the vessel and into the renal tubules. Flow continues through the renal tubules, including theproximal tubule, the Loop of Henle, through the distal tubule and finally leaves the kidney by means of the collecting duct, leading to the renal pelvis, the dilated portion of the ureter.
The major function of the renal pelvis is to act as a funnel for urine flowing to the ureter.
The renal pelvis is the location of several kinds of kidney cancer.
Its mucous membrane is covered with transitional epithelium, and an underlying lamina propria of loose to dense connective tissue.
The renal medulla is the innermost part of thekidney. The renal medulla is split up into a number of sections, known as the renal pyramids. Blood enters into the kidney via the renal artery, which then splits up to form the interlobar arteries. The interlobar arterieseach in turn branch into arcuate arteries, which in turn branch to form interlobular arteries, and these finally reach the glomeruli. At the glomerulus the blood reaches a highly disfavourable pressure gradient and a large exchange surface area, which forces theserum portion of the blood out of the vessel and into the renal tubules. Flow continues through the renal tubules, including theproximal tubule, the Loop of Henle, through the distal tubule and finally leaves the kidney by means of the collecting duct, leading to the renal pelvis, the dilated portion of the ureter.
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