Kingdom (biology) In biology, kingdom (Latin: regnum, plural regna) is the second highest taxonomic rank, just below domain. Kingdoms are divided into smaller groups called phyla.
Pinworms symptoms in children. 1. An itching around the anus, which may become worse at night on getting the female worm depositing her eggs. It causes problem during sleep of infected child. An intense itching causes inflammation on the skin.
Migration of the female worm from the rectum then anus to lay eggs on the perianal skin during the night can lead to perianal pruritus or disturbed sleep or irritability. Sometimes secondary infection of the scratched skin occurs. In children the pinworm can cause vulvovaginitis during its migration from the anus.he lifecycle requires two to six weeks to complete. The eggs are fully embryonated and are infective within a few hours of being deposited. Male and female pinworms vary in size ranging between 2â13mm in length, up to 0.5mm wide and are yellowish white in colour.