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. An extended family is a family that extends beyond the nuclear family, consisting of parents, aunts, uncles, and cousins, all living nearby or in the same household. An example is a married couple that lives with either the husband or the wife's parents. The family changes from immediate household to extended household.