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1、骶前孔骶前孔岬岬横线横线尾骨尾骨骶后孔骶后孔尾骨尾骨骶骶管管骶角骶角耳状面耳状面骶管裂孔骶管裂孔上关节突上关节突骶骨骶骨 岬岬 骶前孔骶前孔骶后孔骶后孔骶管骶管骶角骶角 骶管裂孔骶管裂孔 尾骨尾骨 由由3 34 4块退化的尾椎长合而成。块退化的尾椎长合而成。上接骶骨，下端游离为尾骨尖。上接骶骨，下端游离为尾骨尖。阔筋膜张肌髂胫束胫骨外侧梨状肌大转子髂腰肌小转子pelvic walln盆底肌盆底肌 Muscles of the floor of pelvis Levator ani 肛提肌肛提肌:nLevator prostate 前列腺提前列腺提肌肌(pubovaginalis 耻骨阴耻骨阴道
2、肌道肌)nPuborectalis 耻骨直肠肌耻骨直肠肌nPubococcygeus 耻尾肌耻尾肌niliococcygeus 髂尾肌髂尾肌 Coccygeus 尾骨肌尾骨肌nPelvic diaphragm 盆膈盆膈（Pelvic floor 盆底）盆底）组成组成:n肛提肌肛提肌n尾骨肌尾骨肌n盆膈上筋膜盆膈上筋膜n盆膈下筋膜盆膈下筋膜 盆膈裂孔盆膈裂孔 Hiatus of pelvic diaphragm 尿生殖隔尿生殖隔n构成构成：尿生殖膈上、下筋膜、会阴深横肌、尿道括约肌n功能功能：加强盆底、承托盆腔脏器 The lumbar plexus腰丛 is composed of the f
3、irst three lumbar nerves,a part of the last thoracic nerve and the fourth lumbar nerve.behind the psaos major .股神经L2-4Sciatic nerve坐骨神经坐骨神经 is the branches of sacral plexus it is composed of theL4-S3 nerves,it leaves the pelvis through the infropiriformus foramen in company with the inferior gluteal
4、 nerve.（一）（一）前外侧群前外侧群 腹腹 肌肌1腹外斜肌腹外斜肌 腹股沟韧带腹股沟韧带 在耻骨结节外上方，腱在耻骨结节外上方，腱膜形成三角形的裂孔，膜形成三角形的裂孔，为为腹股沟管浅腹股沟管浅(皮下皮下)环环 。2腹内斜肌腹内斜肌 腹股沟镰腹股沟镰 （联合腱（联合腱 ）提睾肌提睾肌腹外斜肌腹外斜肌腹股沟韧带腹股沟韧带腹股沟腹股沟管浅管浅(皮皮下下)环环腹内斜肌腹内斜肌腹股沟镰腹股沟镰提睾肌提睾肌腹内斜肌腹内斜肌腹外斜肌腹外斜肌Transverse section through 5th lumbar interverterbral disc Rectus abdominisObliqu
5、us externus,internus&transversus abdominis5th lumbar interverterbral disciliacusGluteus Minimusmedius,maximusPsoas major1st sacrumSacral canalAla of iliumcecumRight common iliac veinErector spinaececumSigmoid colonCauda equinaLinea albaLeft internal and external iliac a.Femoral n.iliopsoasSacroiliac
6、 jointCartilageAuricular surface Interosseous Sacroiliac ligamentsAnkylosing spondylitis,AS ileumArticular cartilageMedian sacral crestmesenteryAla of sacrumSacral foraminaAnterior sacral foraminapiriformisSciatic n.Body 0f iliumsartoriumTensor fasciae lataerectumischiumPubisacetabulumUrinary bladde
7、rCompact bone,spongy bone,red and yellow bone marrow,Ligament of head of femurFemoral headBody of ischiumIschial spineiliopsorserectumYellow&red bone marrowCompact&spongy bonecoccyxSpermatic cordcoccygeusiliopsorse缝匠肌Obturator internusSuperior ramus of pubisGreater trochanterNeck of femurpectineusFe
8、moral a.,v.and n.Rectus femorisGemellus superiorLevator aniIschial spineTensor fasciae lataeAmpulla of ductus deferensSpermatic cordObturater internuspectineusPubic symphysisSeminal vesicleGluteus maximusGreater trochanterProstatic venous plexusObturater externusPubic symphysisiliopsorseTensor fasci
9、ae lataeProstatic venous plexusiliopsorseTensor fasciae lataepectineusProstatic utricleIschoanal fossailiopsorseLevator aniIschial tuberosityiliopsorseCavernous body of penisCavernous body of urethraIschoanal fossaShpinecter ani externuslesser trochanterIschial tuberosityRamus of ischiumtestisCavernous body of urethrailiopsorseShaft of femurcontrast agent Iodine high densityiodine5th Lumber interverterbral discCalcification，stoneDelayed phase,Iodine renal excretionUreterMax intensity prijection（MIP）Peripheric lzoneCentral zoneIschioanal fossa 66ys,Male,PSA=15ng/mlProstate CancerABAB 谢谢 谢谢 ！
《断层解剖学》课件：7-1男性盆部
