median sacral artery

(redirected from Middle sacral)

me·di·an sa·cral ar·ter·y

origin, posterior aspect of abdominal aorta just above the bifurcation; distribution, lower lumbar vertebrae, sacrum, and coccyx; anastomoses, lateral sacral, superior and middle rectal.

median sacral artery

The final unpaired midline artery branching from the aorta; it originates 1 cm proximal to the aortic bifurcation, and it ends in the coccyx. Its branches include a pair of lumbar arteries and a number of small arteries to the rectum. Synonym: middle sacral artery
See also: artery
References in periodicals archive ?
Often, the middle sacral artery is visualized; it can be coagulated using the PK Dissector if necessary.
Take care to visualize the middle sacral artery and either suture around it or cauterize it.
During dissection of the fat pad from the promontory, you can encounter the middle sacral artery.
At this point and still prior to docking, it is also important to identify the ureters, the sacral promontory, the midline with the sigmoid retracted, the middle sacral vessels, and the iliac vessels.
SUMMARY: The objective of this study was to describe the anatomy of the opossum abdominal aorta sacral rami, emphasizing the common iliac arteries, external and internal iliac arteries and the middle sacral artery.
The middle sacral artery presented in 30% of cases now caudally rising from the right common iliac artery, then from the left one (30%) or in most cases (40%), as a continuation of the abdominal aorta artery.
Favre (1967), however, studying the guinea pig arterial system, concluded that the aorta ends in the same way it occurs in hamster and man, where the middle sacral artery emerges from and the external and internal iliac arteries bifurcate.
Arruda (1922) studied the armadillo, describing that after the bifurcations which originate the external and internal iliac arteries, the aorta runs like middle sacral artery, giving off small vessels.
The middle sacral artery, however, arose now from the right common iliac artery in (30% of cases), then from the left one (30% of cases) and in 40% of cases, it presented caudally continued the abdominal aorta.
The pre-sacral venous plexus is formed by the two lateral sacral veins, the middle sacral vein, and the in-between communicating veins.
But with the press-in anchor, you can go lateral to the middle sacral veins and press in at only one point.
First, open the peritoneum overlying the sacral promontory taking care to avoid the middle sacral artery Attach suspending sutures to the sacral promontory with either free needles or bone anchors.

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