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.
page 1 of 2. In Western societies, we tend to think of a family as consisting of a mother, father, and children living under one roof: a nuclear family. Before societies modernize, families usually consist of several generations and branches of extended family living in the same dwelling, or in the same village.