Arteries of the Pelvis

Description

Radiographic-style transparency places the male pelvic ring in pale blue while the red arterial tree stands out from the distal abdominal aorta into the right and left common iliac arteries at the lumbosacral junction. Each common iliac bifurcates into an external iliac artery coursing inferolaterally along the pelvic brim toward the inguinal region and an internal iliac artery turning posteromedially into the lesser pelvis. Distal continuation into the proximal thighs is implied as the vessels pass beneath the inguinal ligament to become the femoral arteries. Clear contrast. Emphasis on the iliac bifurcation makes this view practical for correlating surface anatomy with angiographic or fluoroscopic findings, where overlying osseous landmarks guide interpretation. The relationship of the external iliac to the superior pubic ramus and inguinal ligament matters during femoral arterial access, and the internal iliac origin is a key landmark when tracing pelvic hemorrhage sources after blunt trauma. In pelvic surgery and interventional radiology, knowing which branches likely arise from the anterior versus posterior divisions of the internal iliac helps anticipate ischemic risk when embolization or ligation is performed for postpartum hemorrhage or pelvic fractures. Use this illustration in gross anatomy lectures on pelvic vasculature, in surgical atlases covering anterior approaches to the pelvis and acetabulum, or in interventional radiology teaching files explaining iliac angiography, stent placement, and access complications such as retroperitoneal hematoma from high femoral puncture. It also fits well in urology and gynecology texts when introducing pelvic arterial supply patterns before discussing organ-specific branches. Anatomical accuracy verified by SciePro's Medical Advisory Board.