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.
1 Pinworm infections are most likely to occur in children younger than 18. The microscopic eggs are easily spread to family members, caregivers, or other children at school or child care centers.  Living in crowded spaces. People who live in institutions are at higher risk of developing pinworm infections.