1) Canal 2) Channel 3) Duct 4) Epithelial duct 
• (n.) The canal by which the urine is conducted from the bladder and discharged.
duct that transmits urine from the bladder to the exterior of the body during urination. The urethra is held closed by the urethral sphincter, a ... [11 related articles]
The final passageway for the flow of urine out of the body. The urethra is a thin-walled tube that conveys urine from the floor of the urinary bladder to the outside. The opening to the outside is the external urethral orifice. The mucosal lining of the urethra is transitional epithelium. The wall a...
<anatomy, urology> The tube that conveys urine from the bladder to the outside. In the female it measures 25.4 to 38.1 millimetres, in the male 25 centimetres. ... (27 Sep 1997) ... 
(u-re´thrә) the tubular passage through which urine is discharged from the bladder to the exterior of the body; its external opening is called the urinary meatus. adj., ure´thral., adj. The female urethra is about 4 cm long; its opening is situated between the clitoris and the opening of the vagina. In women, th...
a tube that drains urine from the bladder to the outside
A membraneous canal used in the transportion of urine from the bladder to the outside.
The canal through which the urine passes on its way from the bladder to the exterior.
A canal through which urine is discharged from the bladder
(yoo-re;thrua) A tube that transports urine from the urinary bladder to the outside of the body.
A canal which that channels urine from the bladder out of the body.
A portion of the urinary tract carrying urine from the urinary bladder to the outside of the body.
Membranous tube that transports urine from the urinary bladder to the exterior of the body.
duct through which urine passes from the urinary bladder to leave the body through the urinary meatus
a channel through which urine leaves the body
the tube by which urine is released from the bladder 
noun duct through which urine is discharged in most mammals and which serves as the male genital duct
In mammals, a tube connecting the bladder to the exterior. It carries urine and, in males, semen
Greek ourethra = passage from bladder to exterior.
The small tubular structure leading from the bladder to the outside.
The short passage between the bladder and the outside of the body.
the membranous tube that extends from the urinary bladder to the exterior and that in the male conveys semen as well as urine.
narrow tube through which urine passes from the bladder out of the body.narrow channel through which urine passes from the bladder out of the body.