(master node) node that drains lymph from a particular region. Lymph from a particular tissue drains into a primary node, then primary nodes drain into a secondary node (central node) 4 groups of superficial cervical lymph nodes. submental, submandibular, external jugular, and anterior jugular nodes.
For the 1992 book, see Immediate Family (book) . The immediate family is a defined group of relations, used in rules or laws to determine which members of a person's family are affected by those rules. It normally includes a person's parents, spouses, siblings, children and first cousins.
Members of the immediate family includes spouses, parents, brothers, sisters, sons and/or daughters. Members of the extended family may include grandparents, aunts, uncles, cousins, nephews, nieces, and/or siblings-in-law. Sometimes these are also considered members of the immediate family, depending on an individual's specific relationship. In most societies, the family is the principal institution for the socialization of children.