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The uterus or womb is the organ in the reproductive system of most female mammals, including humans, that accommodates the embryonic and fetal development of one or more embryos until birth. The uterus is a hormone-responsive sex organ that contains glands in its lining that secrete uterine milk for embryonic nourishment.
In human anatomy, the sacral plexus is a nerve plexus which provides motor and sensory nerves for the posterior thigh, most of the lower leg and foot, and part of the pelvis. It is part of the lumbosacral plexus and emerges from the lumbar vertebrae and sacral vertebrae (L4-S4). A sacral plexopathy is a disorder affecting the nerves of the sacral plexus, usually caused by trauma, nerve compression, vascular disease, or infection. Symptoms may include pain, loss of motor control, and sensory deficits.
The vaginal artery is an artery in females that supplies blood to the vagina and the base of the bladder.
The renal plexus is a complex network of nerves formed by filaments from the celiac ganglia and plexus, aorticorenal ganglia, lower thoracic splanchnic nerves and first lumbar splanchnic nerve and aortic plexus.
The cardiac plexus is a plexus of nerves situated at the base of the heart that innervates the heart.
The superior hypogastric plexus is a plexus of nerves situated on the vertebral bodies anterior to the bifurcation of the abdominal aorta. It bifurcates to form the left and the right hypogastric nerve. The SHP is the continuation of the abdominal aortic plexus.
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 —one of which runs down in front of and the other behind the vagina.
The rectal venous plexus is the venous plexus surrounding the rectum. It consists of an internal and an external rectal plexus. It is drained by the superior, middle, and inferior rectal veins. It forms a portosystemic (portocaval) anastomosis. This allows rectally administered medications to bypassing first pass metabolism.
The anterior divisions of the lumbar nerves, sacral nerves, and coccygeal nerve form the lumbosacral plexus, the first lumbar nerve being frequently joined by a branch from the twelfth thoracic. For descriptive purposes this plexus is usually divided into three parts:
The submucosal plexus lies in the submucosa of the intestinal wall. The nerves of this plexus are derived from the myenteric plexus which itself is derived from the plexuses of parasympathetic nerves around the superior mesenteric artery. Branches from the myenteric plexus perforate the circular muscle fibers to form the submucosal plexus. Ganglia from the plexus extend into the muscularis mucosae and also extend into the mucous membrane.
The inferior hypogastric plexus is a network of nerves that supplies the organs of the pelvic cavity. The inferior hypogastric plexus gives rise to the prostatic plexus in males and the uterovaginal plexus in females.
The Prostatic Plexus is continued from the lower part of the pelvic plexus. It lies within the fascial shell of the prostate.
The ventral ramus is the anterior division of a spinal nerve. The ventral rami supply the antero-lateral parts of the trunk and the limbs. They are mainly larger than the dorsal rami.
The uterine plexuses lie along the sides and superior angles of the uterus between the two layers of the broad ligament, and communicate with the ovarian and vaginal plexuses.
The vaginal venous plexus is a group of veins draining blood from the vagina. It lies around the sides of the vagina. Its blood eventually drains into the internal iliac veins.
In vertebrates, a venous plexus is a normal congregation anywhere in the body of multiple veins.
The cardinal ligament is a major ligament of the uterus formed as a thickening of connective tissue of the base of the broad ligament of the uterus. It extends laterally from the cervix and vaginal fornix to attach onto the lateral wall of the pelvis. The female ureter, uterine artery, and inferior hypogastric (nervous) plexus course within the cardinal ligament. The cardinal ligament supports the uterus.
Uterovaginal plexus may refer to:
The uterine vein is a vein of the uterus. It is found in the cardinal ligament. It drains into the internal iliac vein. It follows a similar course to the uterine artery. It helps to drain blood from the uterus, and removes waste from blood in the placenta during pregnancy.
The following outline is provided as an overview of and topical guide to human anatomy:
References
This article incorporates text in the public domain from page 989 of the 20th edition of Gray's Anatomy (1918)
