{"type":"video","version":"1.0","html":"<iframe src=\"https://www.loom.com/embed/9ac46bce4a07417a88166892de71b3c2\" frameborder=\"0\" width=\"2560\" height=\"1920\" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>","height":1920,"width":2560,"provider_name":"Loom","provider_url":"https://www.loom.com","thumbnail_height":1920,"thumbnail_width":2560,"thumbnail_url":"https://cdn.loom.com/sessions/thumbnails/9ac46bce4a07417a88166892de71b3c2-989ef04737da5903.gif","duration":3138.36,"title":"Male Reproductive System Overview and Hormones","description":"This Loom reviews the male reproductive system, focusing on the testes and how sperm production is regulated. It explains that testes produce sperm and hormones, are housed in the scrotum for optimal temperature, and descend around seven months gestation through the inguinal canal. The transcript covers key histology structures, including seminiferous tubules where spermatogenesis occurs with Sertoli (sustentacular) cells and interstitial (Leydig) cells producing testosterone, plus the blood-testis barrier. It also describes hormonal control at puberty via hypothalamus and anterior pituitary signals, including LH and FSH feedback. A major clinical point is cryptorchidism: about 3 percent of full-term and 30 percent of premature infants are affected, with surgery needed by 18 months if not resolved, due to fertility risk and a 30 to 50 times higher testicular cancer risk."}