男性生殖系统专业知识培训.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,January,2007,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统,Male genital system,兰州大学基础医学院人体解剖学教研室,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第1页,生殖系统,包含,男性生殖系统,和,女性生殖系统,。,二者均由,内生殖器,和,外生殖器,两部分组成。,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第2页,男性内生殖器,：,生殖腺：睾丸,输精管道：附睾、输精管、射精管和尿道,从属腺：精囊腺、前列腺、尿道球腺,男性外生殖器,：阴囊、阴茎,男性生殖系统,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第3页,男性生殖系统全貌,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第4页,第一节 男性内生殖器,睾丸（,testis,）：,为男性生殖腺，,位于阴囊内，左、右各一，普通左侧略低于右侧。,。,生殖系统,生殖系统,生殖系统,生殖系统,一、睾 丸,睾丸形态,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第5页,睾丸内部结构模式图,睾丸结构,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第6页,二、附 睾,附睾（,epididymis,）：,呈新月形，紧贴睾丸上端和后缘而略偏外侧。,上端膨大为,附睾头,；,中部为,附睾体,；,下端为,附睾尾,。,。,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第7页,右睾丸、附睾及被膜,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第8页,输精管（,ductus deferens,）,是附睾管直接延续，长约50cm，管径约3mm。管壁较厚，管腔较小。活体触摸时,呈坚硬圆索状。,输精管依其行程可分为四部：,睾丸部,精索部,腹股沟管部,盆部,三、输精管和射精管,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第9页,输精管,膀胱、前列腺、精囊和尿道球腺,后面观,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第10页,精索（,spermatic cord,）,为柔软圆索状结构。精索内主要有输精管、睾丸血管、输精管血管、神经、淋巴管和腹膜鞘突残余。,其表面有三层被膜，从内向外依次为：,精索内筋膜,、,提睾肌,和,精索外筋膜,。,精 索,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第11页,睾丸和精索被膜,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第12页,射精管,射精管（,ejaculatory duct,）,由输精管末端与精囊腺排泄管汇合而成，长约2cm,开口于尿道前列腺部。,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第13页,输精管、射精管及开口,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第14页,四、精 囊,精囊（,seminal vesicle,）,又称精囊腺，长椭圆形囊状器官，位于膀胱底之后，输精管壶腹下外侧，左右各一。,其排泄管与输精管末端汇合成射精管。,分泌精囊液参加组成精液。,膀胱、前列腺、精囊和尿道球腺,后面观,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第15页,前列腺（,prostate,）,是不成正确实质性器官，由腺组织和平滑肌组成。,其表面有筋膜鞘，称,前列腺囊,。,其分泌物是精液主要组成部分。,五、前列腺,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第16页,形态：,呈前后稍扁板栗状。,前列腺底,前列腺尖,前列腺体,前列腺沟,膀胱、前列腺、精囊和尿道球腺 后面观,前列腺,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第17页,前列腺分为5叶,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第18页,位置：,位于膀胱底和尿生殖膈之间。前方是耻骨联合，后方是直肠壶腹。,前列腺,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第19页,尿道球腺（,bulbourethral gland,）,是一对豌豆大小球形腺体，位于会阴深横肌内。腺排泄管细长,开口于尿道球部。,精液（,spermatic fluid,）：由输精管道及从属腺，尤其是前列腺和精囊分泌物组成，内含精子，呈乳白色，弱碱性，适于精子生存和活动。,六、尿道球腺,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第20页,第二节 男性外生殖器,阴囊,scrotum,阴茎,penis,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第21页,阴囊（,scrotum,）,是位于阴茎后下方囊袋状结构。,阴囊壁由,皮肤,和,肉膜,组成。,阴囊皮肤,表面沿中线有纵行,阴囊中缝,，其深面肉膜向深部发出,阴囊中隔,将阴囊分为左右两腔分别容纳左、右睾丸，附睾及精索等。,一、阴 囊,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第22页,睾丸下降,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第23页,精索外筋膜,提睾肌,精索内筋膜,睾丸鞘膜,右睾丸、附睾及被膜,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第24页,阴茎（penis）,分为,头、体和根,三部分。,主要由两条,阴茎海绵体,和一条,尿道海绵体,组成，外包,深、浅筋膜,和,皮肤,。,二、阴 茎,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第25页,阴茎包皮,包皮系带,阴茎悬韧带,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第26页,男性尿道（,male urethra）,起至膀胱尿道内口，止于阴茎头尿道外口，成人尿道长16,22cm，管径平均5,7mm。,兼有排尿和排精功效。,第三节 男性尿道,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第27页,男性尿道分三部分：,前列腺部,膜部,海绵体部,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第28页,男性尿道特点：粗细不一，有三个狭窄，三个膨大和二个弯曲。,三个狭窄：,分别位于尿道内口、尿道膜,部和尿道外口。,三个膨大：,分别位于尿道前列腺部、尿道球,部和尿道舟状窝。,二个弯曲：,凸向下后方耻骨下弯和凸向上前,方耻骨前弯。,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第29页,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第30页,膀胱及男性尿道前面,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第31页,思索题,精子怎样在体内产生并排出体外？经过男性尿道那些弯曲，狭窄及膨大等？,男性尿道兼有排尿和排精作用，二者在经过男性尿道时，其路径有何相同？有何差异？,简述输精管分段和走行。,睾丸和精索被膜包含哪些？其起源是什么？,男性尿道有何特点，尿道断裂普通发生于何处？,January,Copyright Depart.Anatomy,School of Medicine,Lanzhou University.All right reserved by YP HOU and YF SONG,男性生殖系统专业知识培训,第32页,