The external urethral orifice is the external opening or meatus

Meatus

In anatomy, a meatus is a natural body opening or canal .Examples include:* the external acoustic meatus, the opening of the ear canal...

 of the urethra

Urethra

In anatomy, the urethra is a tube that connects the urinary bladder to the genitals for the removal of fluids out of the body. In males, the urethra travels through the penis, and carries semen as well as urine...

, normally placed at the tip of glans penis

Glans penis

The glans penis is the sensitive bulbous structure at the distal end of the penis. The glans penis is anatomically homologous to the clitoral glans of the female...

; it presents as a vertical slit, possibly bounded on either side by two small labia-like projections, In some cases the slit may be more rounded. This occurs naturally in some males and may also be a side effect of excess skin removal during circumcision. Congenital misplacement of the urethral orifice is called hypospadias

Hypospadias

Hypospadias is a birth defect of the urethra in the male that involves an abnormally placed urinary meatus...

 when it is located in the underside (ventral aspect) of the penis, and epispadias

Epispadias

An epispadias is a rare type of malformation of the penis in which the urethra ends in an opening on the upper aspect of the penis. It can also develop in females when the urethra develops too far anteriorly...

 when located in the dorsum (upper aspect). Improper shaping of the meatus can result in meatal stenosis

Meatal stenosis

Urethral meatal stenosis or urethral stricture is a narrowing of the opening of the urethra at the external meatus , thus constricting the opening through which urine leaves the body from the urinary bladder....

.