Google's Gmail Web-based email service runs on the Internet Message Access Protocol system, but it also offers Post Office Protocol mail server access.
Definition of LUMEN. 1. 2. : the bore of a tube (as of a hollow needle or catheter). 3. : a unit of luminous flux equal to the light emitted in a unit solid angle by a uniform point source of one candle intensity.
Semen is a mixture of sperm and seminal fluids that is built up in the male body and expelled (or released) primarily during sexual intercourse. The seminal fluid is made in the seminal vesicles. The seminal vesicle is behind the urinary bladder (versus gall bladder or what).