periphallic organ

例句：

1. 1. The study of the peripherial organs is crucial for understanding human reproduction.
   研究外生殖器官对于理解人类生殖至关重要。
2. 2. The doctor performed a thorough examination of the patient's peripherial organs during the surgery.
   医生在手术中对患者的外生殖器官进行了彻底的检查。
3. 3. The research on the peripherial organs has led to significant advancements in medical technology.
   关于外生殖器官的研究已经导致了医学技术的显著进步。