Causes of Perihilar or diffuse infiltrates: The following medical conditions are some of the possible causes of Perihilar or diffuse infiltrates. There are likely to be other possible causes, so ask your doctor about your symptoms.
â¢ NUCLEAR FAMILY (noun). The noun NUCLEAR FAMILY has 1 sense: 1. a family consisting of parents and their children and grandparents of a marital partner. Familiarity information: NUCLEAR FAMILY used as a noun is very rare.
Nuclear family The nuclear family or elementary family is a term used to define a family group consisting of a pair of adults and their children. This is in contrast to a single-parent family, to the larger extended family, and to a family with more than two parents. Nuclear families typically center on a married couple; the nuclear family may have any number of children.