[坎贝尔生物学 第1075页] Campbell Biology 12th Edition
Accessory Glands Three sets of accessory glands—the seminal vesicles, the prostate gland, and the bulbourethral glands—produce secretions that combine with sper
Accessory Glands Three sets of accessory glands—the seminal vesicles, the prostate gland, and the bulbourethral glands—produce secretions that combine with sper