Splanchnology(lv)---Reproductive SystemQ
- Reproductive System Splanchnology (Ⅳ)
Formation:Gonad----producegermcell&sexualhormoneInternalgenital organsGenital ducts ---- transport germ cellAccessory glands ---- secrete fluidExternalgenitalorgans---Copulatoryorgan
Formation: Internal genital organs External genital organs Gonad - produce germ cell & sexual hormone Genital ducts - transport germ cell Accessory glands - secrete fluid - Copulatory organ
Male genital organsFormationGonad: testisGenitalducts:epididymis,ductusdeferensInternalgenitalorgansejaculatoryducts,urethraAccessoryglands:prostate,seminal vesicles,bulbourethralglandsExternal genital organs ---- scrotum, penis genital cells --- sperm, to maintain the life of species· sexual hormone --- maintain the 2nd characteristics for male,suchas thelaryngeal prominence is higher, themuscles are stronger,the beard & hairs are highly developed
Formation Internal genital organs External genital organs - scrotum, penis Gonad: testis Genital ducts: epididymis, ductus deferens, ejaculatory ducts, urethra Accessory glands: prostate, seminal vesicles, bulbourethral glands • genital cells - sperm, to maintain the life of species • sexual hormone - maintain the 2nd characteristics for male, such as the laryngeal prominence is higher, the muscles are stronger, the beard & hairs are highly developed. Male genital organs
Section1Internalgenital organsI.The gonad ---testisare suspended in the scrotumScrotum(1)Externalfeaturesoval-shaped organ·2 extremities --superior & inferior2 surfaces--- lateral & medial: 2 borders--- anterior & posteriorRight testis
Section 1 Internal genital organs Ⅰ. The gonad - testis oval-shaped organ • 2 extremities - superior & inferior • 2 surfaces - lateral & medial • 2 borders - anterior & posterior (1)External features • are suspended in the scrotum • Right testis Scrotum
(2) Structures of testis:? Septa testis②Lobulesoftestis③Contortedseminiferoustubules6@ Straightseminiferoustubules3?Retetestis2@Efferentductulesoftestis1?EpididymisDuctusdeferensTunica albuginea
(2)Structures of testis: ① Septa testis ② Lobules of testis ③ Contorted seminiferous tubules ④ Straight seminiferous tubules ⑤ Rete testis ⑥ Efferent ductules of testis ⑦ Epididymis ⑧ Ductus deferens ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ Tunica albuginea