Right before labor many women begin to experience severe back aches and pains. This back pain is actually caused by contractions, but some women feel the pain in their back instead of their pelvis.
subsystem. A unit or device that is part of a larger system. For example, a disk subsystem is a part of a computer system.A bus is a part of the computer. A subsystem usually refers to hardware, but it may be used to describe software.ubsystem. A unit or device that is part of a larger system. For example, a disk subsystem is a part of a computer system. A bus is a part of the computer. A subsystem usually refers to hardware, but it may be used to describe software.
See also 8-VSB, AM, carrier, DSB, frequency, Group II, sideband, and SSB. (1) (VME Subsystem Bus) An auxiliary backdoor protocol on the VME bus that allows high-speed transfer between devices. It was faster than the main bus before the 64-bit implementation arrived.