2 Testis 输出小管 睾丸网 生精小管 1)General structure 精小管 鞘膜脏层 ① Capsule 销膜腔 附睾管 a. tunica vaginalis vIsceral layer-serosa b tunica albuginea: thick, DCT /mediastinum testis: albuginea became thicker at posterior aspect /septum thin septa extend radiately from mediastinum testis to divided the parenchyma into lobule2. Testis 1) General structure: ① Capsule: a. tunica vaginalis: visceral layer-serosa b. tunica albuginea: thick, DCT /mediastinum testis: albuginea became thicker at posterior aspect /septum: thin septa extend radiately from mediastinum testis to divided the parenchyma into lobule