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.
Definition of fineâtooth comb. 1  1 : a comb with close-set teeth used especially for clearing parasites or foreign matter from the hair. 2  2 : an attitude or system of thorough searching or scrutinizing went over the report with a fine-tooth comb.