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It travels to the uterus, crossing the ureter anteriorly, to the uterus by traveling in the cardinal ligament. [1] Uterine artery. It travels through the parametrium of the inferior broad ligament of the uterus. It commonly anastomoses (connects with) the ovarian artery. The uterine artery is the major blood supply to the uterus and enlarges ...
Spiral arteries supply blood to the rest of the endometrium. They grow rapidly, covering much of the space of the endometrium and end up coiled. [1] When hormones levels are low, the endometrial arteries react by becoming narrow. [4] Endometrial arteries supply blood to the endometrium but are also beneficial during pregnancy.
The arcuate vessels of the uterus are a component of the blood supply of the uterus. They are arteries and veins that branch from the uterine arteries and veins, respectively, with additional anastomoses from the ovarian arteries and veins, [2] and penetrate and assume a circumferential course in the myometrium. [3]
The uterine artery supplies branches to the cervix uteri and others which descend on the vagina; the latter anastomose with branches of the vaginal arteries and form with them two median longitudinal vessels—the vaginal branches of uterine artery (or azygos arteries of the vagina)—one of which runs down in front of and the other behind the vagina.
Diagram of uterine blood supply. The human uterus is supplied by arterial blood both from the uterine artery and the ovarian artery. Another anastomotic branch may also supply the uterus from anastomosis of these two arteries. Afferent nerves supplying the uterus are T11 and T12. Sympathetic supply is from the hypogastric plexus and the ovarian ...
Uterine arterial vasculature, showing spiral arteries at right. [1] Spiral arteries are small arteries which temporarily supply blood to the endometrium of the uterus during the luteal phase of the menstrual cycle. In histology, identifying the presence of these arteries is one of the most useful techniques in identifying the phase of the cycle.
In the uterus, simple tubular glands reach from the endometrial surface through to the base of the stroma, which also carries a rich blood supply provided by the spiral arteries. In women of reproductive age, two layers of endometrium can be distinguished.
The artery of the round ligament of the uterus, also known as Sampson's artery, [2] [3] is a branch of the inferior epigastric artery. [4] It runs under, and supplies, the round ligament of the uterus. [5] It constitutes an anastomosis of the uterine artery and ovarian artery. [6]