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 urethra is the opening that allows the urine to be discharged from the urinary bladder. It is due to the presence of the urethra tube that we can expel the urine from our body. It is a tube that connects the bladder to the genitals to allow the expulsion of urine.