NATOMY OF THE SCROTUM TESTIS AND EPIDIDYMIS The scrotum is

Last updated: 6/29/2023

NATOMY OF THE SCROTUM TESTIS AND EPIDIDYMIS The scrotum is composed of loose skin that is underlain by a layer of smooth muscle The smooth muscle is called the dartos muscle dartos skinned which causes the scrotal skin to wrinkle when contracting Internally the scrotum is divided into two compartments by a septum of connective tissue Each compartment houses one testis Several layers of fascia and a capsule of connective tissue known as the tunica vaginalis envelop each testis providing some support and protection Attaching to the tunica vaginalis is a cord of tissue including blood vessels nerves and the ductus deferens collectively forming the spermatic cord that extends upward into the body cavity A narrow continuation of the internal oblique muscles known as the cremaster muscle cremaster hanging surrounds the spermatic cord Contraction of the cremaster muscle pulls the testis closer to the body wall for warmth when the exterior temperature drops and relaxation drops the testis to fall away when the exterior temperature rises Exercise 4 Anatomy of the Scrotum Testes and Epididymis 1 Using models and charts that may be available in the lab identify the gross anatomical features of the testes and scrotum Use the list below as a checklist for the terms for figures 12 6 and 12 7 1 testes tunica vaginalis cremaster muscle straight tubules corpus spongiosum 2 2 Label the structures of the scrotum testes and epididymis in Figure 12 6 by filling in the blanks following the figure scrotum tunica albuginea seminiferous tubules rete testis corpus cavenosa Internal oblique muscle dartos muscle spermatic cord lobules ductus epididymus efferent ducts Spermatic cord Transverse section of penis Pampiniform plexus Spermatic fascia Figure 12 6 Structure of the scrotum testes and epididymis 5 6 7 bluedoor LLC