细膜晚期精子细胜早期精子细胞机胞质桥支持细照次级精呼细照初级精母缅脑精康CSpermatozoa毛细血管闻质细脑肌祥国匙基膜Testosteronecontrolsthedevelopmentof malesecondarysexual characteristics
Spermatozoa Testosterone • controls the development of male secondary sexual characteristics
DuctusdeferensThe conveying ductsI.Epididymisstorehouseforspermssecretesemen·comma-shaped① HeadBody2 Tail3
The conveying ducts ① Head ② Body ③ Tail Ⅱ. Epididymis Ductus deferens • storehouse for sperms • secrete semen • comma-shaped ① ② ③
Il.Ductusdeferens: 50cm long, continuous with tail of epididymisD Testicular part --- shortest part② Funicular part --- can be palpated③Inguinal part--- pass through inguinal canal
Ⅲ. Ductus deferens • 50cm long, continuous with tail of epididymis ① Testicular part - shortest part ② Funicular part - can be palpated ③ Inguinal part - pass through inguinal canal ① ② ③
Pelvic partSeminalvesicle·the longestpartVasdeferens·runs alongthe lateral pelvicwall·ampulla --- the terminal dilated portion· joins with the excretory duct of seminalEpididymisvesicletoformtheejaculatoryductTestisAmpulla ductus deferentisSeminalvesicleProstate
Ampulla ductus deferentis ④ Pelvic part • the longest part • runs along the lateral pelvic wall • ampulla - the terminal dilated portion • joins with the excretory duct of seminal vesicle to form the ejaculatory duct Prostate Seminal vesicle