pelvis

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Updated Dec 2025

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slide 1 pelvis overview pubic symphysis secondary cartilagenous joint articular surface of medial aspect of body of pubis covered with hyaline articular cartilage disc of fibro-cartilage in between a cavity may develop in the disc but it is not lined with synovial membrane there is normally very little movement at the pubic symphysis, except during the latter months of pregnancy sacroiliac joint modified synovial plane joint articular surfaces are rough the capsule is attached just beyond the articular margin the interosseous sacroiliac ligament is one of the strongest ligaments in the body and is posterior to the joint this articulation is almost immobile, except during pregnancy sacrotuberous ligaments sacrospinous ligaments iliolumbar ligaments posterior superior iliac spine is middle of the joint posteriorly at the level s2 s2 is end of dura, arachnoid mater and subarachnoid space during gait, the amount of accessory movement at the sacroiliac joint helps to protect …

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oose areolar tissue loose areolar fat tissue lies in the extraperitoneal space between peritoneum and the viscera forming a dead space pelvic fascia 3. pelvic viscera fascia of pelvic viscera is loose or dense depending on dispensability of organ pelvic ligaments condensation around vessels form ligaments in the pelvis cardinal ligament condensation of fascia around uterine artery lateral ligament of the rectum is a condensation of fascia around the middle rectal vessels and branches of the hypogastric plexus waldyer’s fascia suspends the lower part of the ampulla of the rectum to the hollow of sacrum contains the superior rectal vessels and lymphatics pelvic floor urogenital diaphragm perineal membrane and the superficial transverse perineii the pelvic floor is a dome-shaped striated muscular sheet the levator ani is made up mainly of the pubococcygeus, the puborectalis and the iliococcygeus it encloses the bladder, uterus and rectum together with the anal sphincters, has …

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line of the floor of the pelvis inserted from before backwards, into perineal body side of the rectum and anal canal anococcygeal raphe the side of the last two segments of the coccyx last 1984 levator ani mob tcd the anterior fibres, pubovaginalis, pass behind the vagina, unites with the opposite side inserted into the perineal body, the central point of the perineum joining the fibres of the sphincter ani externus and transversus perineii last 1984 levator ani mob tcd levator ani the puborectalis forms a u-shaped sling, holding the anorectal anteriorly, blending with the deep fibres of the external anal sphincter anococcygeal raphe lies between the coccyx and the margin of the anus nerve supply, inferior rectal nerve and perineal branch fourth sacral last 1984 mob tcd levator ani in women, the levator muscles or their nerve supply, can be damaged in pregnancy or childbirth there is some evidence …

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2.bin unknown-3.bin unknown-4.bin unknown-5.bin unknown-6.bin unknown-7.bin unknown-8.bin bm je anterior longitudinal lig, interosseus sacro-iliae lig. anterior synovial sacro- spinous " > lig. sacra tuberous lig. obturator arcuate membrane interpubic pubic lig. fibro-cartilage fic. 43—horizontal section through the ligaments (after sobotta). pelvis to show joints and bones joints fascia muscles bladder urethra uterus broad ligament ovary vagina rectum anal canal lumbosacral! spine superior articular process transverse process posterior isthmus (pars interarticularis) longitudinal ligament lamina : inferior articular process pedicle intervertebral foramen spinous process ‘superior articular processes (showing facet tropism) transverse { process ——* tha, inferior articular process. ligamentum flavum. miolumbar ligament articular surface of sacrum 4th and 5th lumbar nerves intervertebral discs anterior longitudinal ligament coccyx: lateral view sacroiliac ligament e ny ser sacrospinal ligament zeca sacrotuberal ligament lumbosacral transitional , vertebrae (sacralization of l5) “ — 4 ia ae zo ciba a. enlarged left transverse process of last presacral vertebra …

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slide 1 pelvis overview pubic symphysis secondary cartilagenous joint articular surface of medial aspect of body of pubis covered with hyaline articular cartilage disc of fibro-cartilage in between a cavity may develop in the disc but it is not lined with synovial membrane there is normally very little movement at the pubic symphysis, except during the latter months of pregnancy sacroiliac joint modified synovial plane joint articular surfaces are rough the capsule is attached just beyond the articular margin the interosseous sacroiliac ligament is one of the strongest ligaments in the body and is posterior to the joint this articulation is almost immobile, except during pregnancy sacrotuberous ligaments sacrospinous ligaments iliolumbar ligaments posterior superior iliac spine is middle o...

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