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.
extended family a nuclear family and their close relatives, such as the children's grandparents, aunts, and uncles. nuclear family a family consisting of a two-generation relationship of parents and children, living together and more or less isolated from their extended family. nuclear dyad family a husband and wife with no children. family of origin the family in which a person grew up.