Generating Inbred Mice. Inbred Strains. A strain is defined as inbred when it has been mated brother x sister for 20 or more consecutive generations (F20). All offspring can be traced back to a single ancestral breeding pair in the 20th or subsequent generation.
suction head. The energy per unit weight of fluid on the suction side of a pump. 1  Facebook.
The suction source is typically a stationary wall-mounted suction machine. The typical suction device has an on/off switch, a suction setting (intermittent or continuous), and a variable power dial to set the amount of suction. Portable suction machines are also available to provide intermittent suction.