The testicles Flashcards
What is the role of the testicles?
Where were thetesticles originally located?
Sperm production and hormone synthesis
In the posterior abdominal wall, during embryonic development they descended down the inguinal canal into the scrotum
How doe the testicles lie anatomically?
Within the scrotum, susepnded by the spermatic cord. Typically the left testicle lies lower than the right and both testicles are encased by the epididimis
Describe the inner structure of the testicles?
Contain a serious of lobules containing seminiferous tubules. These tissues are lined by sertoli cells that aid the maturation of sperm. They are liend by leydig cells that produce testosterone
What covers the testis?
What covers the testicular parenchyma?
What innervates the testicles?
Tunica vaginalis a closed sac with limited movement for viscous fluid.
Tunica albuginea it penetrates into the testicle themselves forming lobules
testicular plexus
How are the testicles supplied arterially
How are the testicles drained?
How are the testicles lymphatically drained?
Paired testicular arteries, arise from abdominal aorta
Paired testicular veins formed from the Pampiniform plexus
Lumbar and para aortic nodes
