navicular fossa การใช้

• The navicular fossa is the spongy part of the male urethra located at the glans penis portion.
• In male anatomy, the "'lacuna magna "'( also called "'Gu閞in's sinus "') is the largest of several recesses in the roof of the embryologic origin is contested, but recent evidence suggests it and the navicular fossa derive from infiltrating endodermal cells of the urethral plate.