![]() ![]() Peritoneum overlays the superior surfaces of these organs, creating two peritoneal pouches: the rectouterine pouch of Douglas between the rectum and the uterus, and the vesicouterine pouch between the uterus and the bladder. In the medial view, from anterior to posterior we see the rectum just anterior to the coccyx, urinary bladder posterior to the pubic symphysis, and the uterus sandwiched between the two of them. Let’s look at the anatomical relationships for the female pelvic viscera. External genitalia, contained by the perineum.Internal genitalia: ovaries, uterine tubes, uterus and vagina.Distal parts of the urinary and digestive systems: ureter, urinary bladder, urethra and rectum.Just note that the terminal ileum, cecum and sigmoid colon are found within the greater pelvis in both sexes. The greater pelvis is a part of the abdomen study section, we won’t spend too long on that here. The female pelvis is broader and larger than the male pelvis to provide a comfortable environment for fetus development. It is the central mass of the perineum which anchors most of the perineal muscles. A mass of connective, skeletal and smooth muscle tissues called the perineal body is found between the triangles. Among sexes, there are anatomical differences only within the contents of the urogenital triangle as it contains the external genitals. They bound two anatomical spaces within the UGT superficial perineal pouch and deep perineal pouch. ![]() ![]() The urogenital triangle contains the perineal membrane and superficial fascia of Colles. They communicate with the UGT through their anterior recesses. These fossae are filled with fat tissue which supports the movements of the pelvic diaphragm. The anal triangle includes the rectum and the two ischioanal fossae.
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