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1、January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,腹膜后隙,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,一、概 述,腹膜后隙位置:位于腹后壁,介于腹后壁腹膜与腹内筋膜之间。范围:上起膈,下至骶骨岬,两侧续于腹膜外筋膜,向下续于
2、盆部的腹膜后间隙。,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,主要结构:腹膜后隙有肾、肾上腺、输尿管、腹部大血管、神经和淋巴结等重要结构。(胰腺、十二指肠已于结肠上区内介绍),January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG
3、,二、肾 kidney,内容:(一)肾的位置和毗邻(二)肾门、肾窦和肾蒂(三)肾的血管(四)肾的被膜,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,(一)肾的位置及毗邻,位置:肾位于脊柱两侧,紧贴于腹后壁。由于肝的存在,左肾略高于右肾。左肾:上端平第11胸椎下缘 下端平第2腰椎下缘 右肾:上端平第12胸椎上缘 下端平第3腰椎上缘,January,2007,Copyright Depart.Anatomy,Sc
4、hool of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,肾的毗邻:,毗邻(相同点):两肾上端:肾上腺两肾后面:膈 腰大肌 腰方肌 腹横肌两肾内下方:肾盂 输尿管两肾内后方:左右腰交感干,膈肌,腰大肌,腰方肌,腹横肌,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,毗邻(不同点):两肾内侧:左肾:腹主动脉 右肾:下腔
5、静脉左肾前面邻:胃 胰 空肠 结肠左曲右肾前面邻:肝右叶 结肠右曲 十二指肠降部,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,肾区,竖脊肌外侧缘与第12肋之间所夹的部位称肾区(脊肋角)。在某些肾疾病患者,叩击或触压该区可引起疼痛。,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right res
6、erved by YP HOU and YF SONG,(二)肾门、肾窦和肾蒂,肾门:肾的内侧缘中部凹陷,是肾的血管、神经、淋巴管和肾盂出入肾的部位,称肾门。肾窦:肾门深入肾实质所围成的腔隙称为肾窦。,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,肾蒂:出入肾门的结构合称肾蒂,主要结构有肾动脉、肾静脉、肾盂。肾蒂内主要结构的排列关系:由前向后依次为:肾静脉、肾动脉、肾盂 从上向下依次为:肾动脉、肾静脉、肾盂,
7、January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,肾动脉和肾段肾段:每一段动脉供给的肾实质区域称为肾段,共5个。,(三)肾血管和肾段,上段动脉,上前段动脉,下段动脉,下前段动脉,后段动脉,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SO
8、NG,2.肾静脉,右肾静脉通常无肾外属支,而左肾静脉收纳左肾上腺、左睾丸(卵巢)静脉血,其属支与周围静脉有吻合,借此可建立门-腔静脉间的侧支循环。,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,(四)肾的被膜,肾表面包有三层被膜,由内向外为:,纤维囊脂肪囊肾筋膜,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou Universit
9、y.All right reserved by YP HOU and YF SONG,三、输尿管腹部,输尿管起于肾盂,终于膀胱,全长约2530cm。分为三部:腹部、盆部、壁内部,其中腹部长约13-14cm,紧贴腰大肌前面向下内斜行,在腰大肌前面中点处有睾丸(卵巢)血管斜过其前方。,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,右输尿管前方为十二指肠降部、升结肠血管、回结肠血管、睾丸(卵巢血管)、回肠末段。左输
10、尿管前方为十二指肠空肠曲、降结肠血管、斜行跨过的睾丸(卵巢血管)。,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,腹主动脉沿脊柱左前方下行,至第4腰椎下缘平面分为左、右髂总动脉,全长14-15cm,其右侧邻下腔静脉。腹主动脉可分为脏支及壁支,其中脏支又可分为:成对的脏支 不成对的脏支,四、腹主动脉 Abdominal aorta,January,2007,Copyright Depart.Anatomy,Sc
11、hool of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,(1)成对的脏支,有3对:肾上腺中动脉 肾动脉 睾丸动脉(卵巢动脉),January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,(2)不成对的脏支,有3支:腹腔干 肠系膜上动脉 肠系膜下动脉,January,2007,Copyright Depart.Anatomy,S
12、chool of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,腹主动脉毗邻:前方:为胰腺、十二 指肠升部、小肠系膜根后方:为1-4腰椎及椎 间盘右侧:下腔静脉左侧:左交感干,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,五、下腔静脉 Inferior vena cava,下腔静脉由左右髂总静脉在第5腰椎右侧汇合而成,
13、收集下肢、盆部和腹部的静脉。下腔静脉在脊柱的右前方沿腹主动脉右侧上行经肝腔静脉沟,穿膈的腔静脉孔,最后开口于右心房。,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,3对:(1)肾静脉 左侧长于右侧(2)肾上腺静脉 右侧注入下腔静脉 左侧注入肾静脉。(3)生殖腺静脉 右侧注入下腔静脉 左侧注入肾静脉,成对脏器的静脉:,January,2007,Copyright Depart.Anatomy,School of
14、 Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,下腔静脉毗邻:前方:肝脏、胰头、十二指肠水平部及右睾丸(卵巢)血管和肠系膜根后方:右膈脚、1-4腰椎、右交感干和腹主动脉的壁支右侧:腰大肌、右肾和右肾上腺左侧:腹主动脉,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,左侧睾丸静脉曲张较右侧多见,原因如下:(1)左侧回流流程
15、较长(2)左侧睾丸静脉以直角汇入左肾静脉,压力较大(3)左侧前方有乙状结肠跨过,易受其压迫(4)左肾静脉在肠系膜上动脉与腹主动脉夹角中回流,受压时易累及左侧睾丸静脉,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,七、腰交感干(自学),January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,八、乳糜池(自学),