Identify the urogenital diaphragm.

  1. Identify the spongy urethra in the bisected penis. (G 5.15A;N 363;Gl 21.28B)
  2. Attempt to identify the membranous urethra, sphincter urethrae muscle and urogenital diaphragm (deep transverse perineus muscle) in the midline cut through the pelvis. (G 5.15A;N 362;Gl 19.17)
Important Relationship

The prostate is positioned superior (deep) to the deep transverse perineal muscle and striated (external) urethral sphincter.

Spongy Urethra