Abdomen Sonography: Penis & Scrotum - Video Lesson

Hey everyone and welcome back to our series on abdominal extended sonography. In today's lesson, we'll explore the normal anatomy and function of the penis and scrotum, focusing on key structures like the testes, epididymis, spermatic cord, and tunica layers. We'll also cover how these structures work together physiologically, along with their blood supply with drainage pathways, and explore how penile and scrotal tissue should look on ultrasound, including typical Doppler flow patterns. Let's start with the basic anatomy. The scrotum is a sac of skin and muscle that holds and protects the testes. It includes the dardos muscle, a thin layer of smooth muscle in the scrotal wall that helps regulate temperature by tightening or relaxing the skin. Inside the scrotum, each testis is an oval shaped gland responsible for sperm and hormone production. Within the testis, sperm produced in the seminiferous tubules drain into the rete testis, a network of tiny ducts located in the mediastinum