What is the anatomy of the pelvis?
The pelvis consists of paired hipbones, connected in front at the pubic symphysis and behind by the sacrum; each is made up of three bones—the blade-shaped ilium, above and to either side, which accounts for the width of the hips; the ischium, behind and below, on which the weight falls in sitting; and the pubis, in …
What organs are in the pelvic cavity?
The pelvic cavity is a funnel-shaped space surrounded by pelvic bones and it contains organs, such as the urinary bladder, rectum, and pelvic genitals, to name a few.
What is the normal anatomy of the female pelvis?
The bony pelvis consists of four bones: two innominate (coxal) bones, the sacrum, and the coccyx. The innominate bones make up the anterior and lateral margins of the bony pelvis, and the sacrum and coccyx form the posterior wall.
What is the hole in the pelvis called?
The female pelvic bones are typically larger and broader than a male’s. This is so a baby can pass through the pubic outlet, the circular hole in the middle of the pelvic bones, during childbirth. The pubic arch, or space under the base of the pelvis, is also wider for this reason.
What are pelvic sidewalls?
The pelvic sidewall is formed by the obturator internus and piriformis muscles and contains the iliac vessels, pelvic ureters, and lateral lymph nodes (33).
Why does the side of my pelvis hurt?
In some people, pelvic pain may signify menstrual cramps, ovulation, or a gastrointestinal issue, such as food intolerance. It can also develop due to a more serious problem. Sometimes, pelvic pain indicates an infection or issue with the reproductive system or other organs in the area.
What organ is right above pubic bone?
In the male cavity, the bladder is located behind the pubic bone and above the prostate.
What is the lower extent of pelvic viscera protection?
Lower extent lies in the greater pelvis Between the ala or wings of the ilia Ileum, cecum, and sigmoid colon thus partly protected Anterior and lateral walls composed of muscle Viscera in these areas are more likely to be damaged by blunt force and penetrating injuries.
Why do men have a deeper pelvis than women?
All of the ilia are less flared in men than in women, so the greater pelvis is deeper.
What causes urine to extravasate into the superficial perineal pouch?
If there is disruption of the spongy urethra, urine may extravasate into the superficial perineal pouch and ascend up the anterior abdominal wall beneath the deep membranous layer. It will not extend into the anal triangle, because the superficial perineal fascia is tacked down to the perineal membrane along its posterior margin.
What is the venous drainage of the penis?
Venous drainage Deep dorsal vein of penis receives blood from venous plexus Drains to prostatic venous plexus and then to internal iliac/internal pudendal veins.