《系统解剖学 Systematic Anatomy》课程教学课件（PPT英文讲稿）Part II Splanchnology_Chapter 5 Female Reproductive System_2.6 Female Genital System

Splanchnology (lv)---FemaleReproductiveSystem世心

- Female Reproductive System Splanchnology (Ⅳ)

FormationGonad --- ovaryGenital ducts --- uterine tubes, uterus, vaginaInternalgenitalorgansAccessoryglands --- greatervestibularglandsExternalgenital organs--- Female pudendum· Produce ovum-- maintaining the life of species: Sexual hormone --- maintaining the 2nd female characteristics

Formation Internal genital organs External genital organs Gonad - ovary Genital ducts - uterine tubes, uterus, vagina Accessory glands - greater vestibular glands • Produce ovum - maintaining the life of species • Sexual hormone - maintaining the 2nd female characteristics - Female pudendum

Section 1 Internal genital organsI.Ovary·ovarianfossa:between the bifurcationof the internal& external iliacA·isheldby suspensory lig.ofovary&properlig.ofovary②Internal iliac AUterine tubeOvary2

Section 1 Internal genital organs Ⅰ. Ovary • ovarian fossa: between the bifurcation of the internal & external iliac A. • is held by suspensory lig. of ovary ① & proper lig. of ovary ② Internal iliac A. ① ② Ovary Uterine tube

Externalfeatures:almondsshaped.2 surfaces---lateral &medial surfaces·2borders---anterior&posteriorborders.2extremities:superior/tubal extremity --- close to the fimbriae of uterine tubeinferior / uterine extremity --- connecting the fundus of the uterusUterinetubeOvaryUterus

• 2 surfaces - lateral & medial surfaces • 2 borders - anterior & posterior borders • 2 extremities: superior / tubal extremity - close to the fimbriae of uterine tube inferior / uterine extremity - connecting the fundus of the uterus External features: almonds shaped Ovary Uterine tube Uterus

: childhood- small & smooth· after puberty --- ovulation: old women----- atrophy-放射冠透明带卵细胞膜核ovarian follicle-卵细胞质

• childhood - small & smooth • after puberty - ovulation • old women - atrophy ovarian follicle

Ⅱ.Uterinetubes·a pair of tortuous muscular tubes transmit the ovum & oosperm.10~12cmlong,funnel-shaped·2 openings &4partsuterine orifice: opens into the uterine cavityabdominal orifice fimbrae:opens into the peritoneal cavityUterus

Ⅱ. Uterine tubes • a pair of tortuous muscular tubes transmit the ovum & oosperm • 10～12cm long, funnel-shaped • 2 openings & 4 parts Uterus uterine orifice: opens into the uterine cavity abdominal orifice fimbrae: opens into the peritoneal cavity

: 4 parts(from medial to lateral)D Uterine part ---- 1cm longIsthmus of uterine tube ---- 2.5cm longthenarrowportion? the place for ligation of the uterine tubeUterusTubal ligation

• the narrow portion • the place for ligation of the uterine tube Uterus • Tubal ligation • 4 parts （from medial to lateral） ① Uterine part - 1cm long ② Isthmus of uterine tube - 2.5cm long

Ampulla---longest &widestportiontheplaceforfertilizationInfundibulum---funnel-shaped·fimbrae:fingers likeprojection, spread overtheovaryovarianfimbria:inducetheoocyteentertheuterinetubeSUterusEctopic pregnancy

• the place for fertilization • fimbrae: fingers like projection, spread over the ovary • ovarian fimbria: induce the oocyte enter the uterine tube Ectopic pregnancy ③ Ampulla - longest & widest portion ④ Infundibulum - funnel-shaped Uterus

.Uterus·a single, hollow, thickwalled &pear-shapedmuscularorgan·receive, retain, and nourish a fertilized ovum, and develop organismgrow until its birth·locate in the center ofthepelvic cavity1.Theparts:①Fundus② Body③Isthumus④Cervix·Supravaginalpart? Vaginal partagina

Ⅲ. Uterus • a single, hollow, thick walled & pear-shaped muscular organ • receive, retain, and nourish a fertilized ovum, and develop organism grow until its birth • locate in the center of the pelvic cavity ① Fundus ② Body ③ Isthumus ④ Cervix • Supravaginal part • Vaginal part 1. The parts: ① ② ③ Vagina

2. The cavity:: cavity of uterus --- a triangular space inside the body of uterus.cervical canal--- the cavity of cervix. orifice of uterus --- a round openingUterine tubeCavity of uterusCervical canalOrificeofuterus Nullipara? Multipara

• cavity of uterus - a triangular space inside the body of uterus • cervical canal - the cavity of cervix • orifice of uterus - a round opening 2. The cavity: Cavity of uterus Cervical canal Orifice of uterus • Nullipara • Multipara Uterine tube