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The vesical veins are veins in the pelvis that drain blood from the urinary bladder. The vesical veins receive blood from the vesical venous plexus and are tributaries of the internal iliac veins . [ 1 ]
The vesical venous plexus is a venous plexus situated at the fundus of the urinary bladder. It collects venous blood from the urinary bladder in both sexes, from the accessory sex glands in males, and from the corpora cavernosa of clitoris in females (via the v. dorsalis profunda clitoridis). [ 1 ]
The bladder receives blood by the vesical arteries and drained into a network of vesical veins. [11] The superior vesical artery supplies blood to the upper part of the bladder. The lower part of the bladder is supplied by the inferior vesical artery , both of which are branches of the internal iliac arteries . [ 11 ]
Urine then flows through the nephrons, through a system of converging tubules called collecting ducts. These collecting ducts then join to form the minor calyces, followed by the major calyces that ultimately join the renal pelvis. From here, urine continues its flow from the renal pelvis into the ureter, transporting urine into the urinary ...
Unlike other species again, the schistosomulae of S. haematobium reach the vesical vessels through anastomotic channels between radicles of the inferior mesenteric vein and pelvic veins. After living inside small venules in the submucosa and wall of the bladder, they migrate to the perivesical venous plexus (a group of veins at the lower ...
Additionally, reflux of urine from the bladder back up the ureters is a condition commonly seen in children. The ureters have been identified for at least two thousand years, with the word "ureter" stemming from the stem uro- relating to urinating and seen in written records since at least the time of Hippocrates .
The trigone (also known as the vesical trigone) [1] is a smooth triangular region of the internal urinary bladder formed by the two ureteric orifices and the internal urethral orifice. The area is very sensitive to expansion and once stretched to a certain degree, stretch receptors in the urinary bladder signal the brain of its need to empty.
Superior vesical artery. Middle vesical artery; Inferior vesical artery; the vesical venous plexus, the network of veins that collects deoxygenated blood from the urinary bladder; the vesical veins, tributaries of the internal iliac veins, which drain the vesical venous plexus; the vesical nervous plexus, a nerve network in the anterior pelvis