Inflation of the foreskin with urine during urination. It occurs when the flow of urine  from the bladder is greater than the flow through the preputial opening.

The dilated portion of the urethra just inside the meatus. Also called the fossa navicularis urethra.

Technique of hypospadias repair in which the foreskin is preserved. Excess dorsal skin is used to cover the ventral shaft.

The core of the penis consists primarily of three large sponge-like regions that become engorged with blood during an erection. The pair that form the sides and dorsal region of the penis shaft are each called the Corpus Cavernosum, or Corpora Cavernosa (plural). The third, similar structure is called the Corpus Spongiosum.