25. Мужская половая система

The video provides a detailed overview of the male reproductive system, beginning with the excretory pathways at 0:35, moving through the twisted spermatic ducts at 4:02, and covering the process of spermatogenesis at 6:12. It then discusses the formation of sperm cells at 8:05, the stages of spermiogenesis at 11:57, and the role of Sertoli cells at 15:29. The segment on the hemato‑testicular barrier, featuring dense contacts, appears at 19:06, followed by a USMLE test example at 22:35. At 24:19, the video explains the interstitial cells of the Leydig group, and at 26:53 it introduces the “Sperm Network” drug, with a second drug “Testicle” at 27:12. The anatomy of the testicular accessory structures is explored at 28:47, distinguishing excretory ducts from accessory organ inflows at 29:32, and detailing the functions of the testicular accessory at 32:10. The ductus deferens is highlighted at 34:34, along with spermatic vesicles at 34:54, and the prostate at 35:26. Finally, the embryonic development of the male reproductive system is covered at 38:47, concluding with another USMLE test example at 43:05.