Ureters: Key Information - Edubirdie

University:
Western Sydney University
Course:
MEDI 2003 | Clinical Sciences 2
Academic year:

2024
Views:

228

Pages:

2
Author:

Mariam A. A.

Ureters Key Information • The ureters are muscular tubes, 25-30 cm in length. • They convey urine from the hila of the renal pelvis to the bladder, assisted by peristaltic movements. • Like the kidneys, the ureters are primary retroperitoneal structures. • You should be able to identify the ureters on deep abdominal dissections and describe their course to the bladder. . Blood Supply Part Upper Middle Lower Innervation Supply Renal arteries and veins Superior and inferior lower vesicular arteries and veins (also branches of internal iliac) Branches if the internal iliac arteries and veins • Sympathetic and parasympathetic via renal, aortic and hypogastric plexuses (T11 – L2) The three locations of luminal constrictions in the ureters • • • First/most proximal: at the ureteropelvic junction Second: at the crossing over the iliac vessels Third/distal: in the intramural portion Clinical significance of these luminal constrictions • • The arterial supply will course along the ureter longitudinally creating a plexus of anastomosing vessels. This is of clinical significance because it allows for safe mobilization of the ureter during surgery when proper exposure from surrounding structures is crucial.

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