The spongy urethra ( cavernous portion of urethra , penile urethra ) is the longest part of the male urethra .
The spongy urethra ( cavernous portion of urethra , penile urethra ) is contained in the corpus spongiosum of the penis .
The spongy urethra ( cavernous portion of urethra , penile urethra ) is the longest part of the male urethra , and is contained in the corpus spongiosum of the penis .