The nature of a convergent boundary depends on the type of plates that are colliding. Where a dense oceanic plate collides with a less-dense continental plate, the oceanic plate is typically thrust underneath because of the greater buoyancy of the continental lithosphere, forming a subduction zone.
Medical Definition of URINAL. 1. : a vessel so constructed that it can be used for urination by a bedridden patient. 2. : a container worn by a person with urinary incontinence.
The prostate is a gland about the size and shape of a walnut. It is situated just underneath the urinary bladder (just under bladder neck) and surrounds a portion of urethra (prostatic urethra). The urethra is a tube that allows the passage of urine from the bladder through the penis when you pee.