Testicle fetal abdomen to the inguinal ring and beyond to the inguinal canal and into the scrotum. In most cases (97% full-term, 70% preterm), both testes have descended by birth. In most other cases, only one testis fails to descend (cryptorchidism) and that will probably express itself within a year. The testes grow in response to the start of spermatogenesis. Size depends on lytic function, sperm production (amount of spermatogenesis present in testis), interstitial fluid, and Sertoli cell fluid production. After puberty, the volume of the testes can be increased by over 500% as compared to the pre-pubertal size. Testicles are
Song to the Sun to sleep. One day, she introduces herself to him without letting him know about her medical condition. He is Kōji Fujishiro. When her friend drags her home, they sit by her window, while they watch Kōji meet his friends. Kaoru explains everything, and her friend notes that she probably goes to the same school as him, and offers to spy on him for her. The next evening, she sits by the bus stop. Kōji arrives on his scooter. Both embarrassed, they start talking, with Kōji eventually promising to meet her, and listen to her sing another night, at the start