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1、PeritoneumAndPeritonealCavity(P.94)Departmentofthehumananatomy attachedtotheSichuanuniversChenDaobangPeritoneum—atransparent,continuousserousmembrane,tosecreteandabsorbserosity*ParietalperitoneumLiningtheinnersurfaceoftheabdominalwall*Visceralperitoneumcoveringtheviscerainthe
2、abdominalcavity1.Peritonealcavity1).Apotentialspace2).Formedbytheparietalandvisceralperitoneum3).Containingathinfilmofserosity4).ClosedinmalesAcommunicationwiththeexteriorofthebodyinfemalesthroughtheuterinetubes,uterus,andvagina2.Relationshipofthevisceratotheperitoneum1)Intra
3、peritonealorgans(腹膜内位器官)stomach,jejunum,ileum,caecum,vermiformappendix,spleen,etal2)Interperitonealorgans(腹膜间位器官)liver,gallbladder,urinarybladder,uterus…3)Extraperitonealorgans(腹膜外位器官)kidney,ureter,…3Theperitonealreflection1)Omenta(1)lesseromentum*2layersfoldsofperitoneum*toe
4、xtendfromtheportahepatistolessercurvatureofstomachandproximalpartoftheduodenum*hepatogastriclig.andhepatoduodenallig.(2)greateromentum*4foldsofperitoneum*fromgreatercurvatureofthestomach,descending,tothetransversecolon*coveringthesmallintestine*afat-apron2)Peritonealligaments
5、oneortwofoldsoftheperitoneum,usually fromorganstothebody-wall,orbetweentheorgans(1)hepaticlig.*Coronarylig.*Falciformlig.(ligamentumteresinthefreeedge)*Leftandrighttriangularlig.*Hepatoduodenallig.*Hepatogastriclig.*Hepatorenallig.(2)lig.ofspleen*gastrospleniclig.*splenorenal
6、lig.*splenophreniclig.*splenocoliclig.(3)lig.ofstomach*hepatogastriclig.*gastrospleniclig.*gastrocoliclig.3)Mesenteries*Theyaretwolayer-foldsoftheperitoneum.*Theyextendnormallyfrombody-walltotheorgans.*Thereareusuallythebloodvessels,nerves,andlymphaticnodesinthemesenteries.So
7、,theycanprotect,supportandsuspendtheorgansandsupplynutritionfortheorgans.(1)Mesenteryofthethesmallintestine*Afan-shaped*Twolayer-foldsofperitoneum*Attachingthecoils(袢)ofjejunumandileumtoposteriorabdominalwall*Rootofthemesentery----15cm,fromtheleftsideoftheL2vertebratotheright
8、sacroiliacjoint**Therearesuperiormesentericbloodvessels,nervesandlym
