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.
Pinworms are the most common type of roundworm infection in the U.S. These infections most frequently affect children but adult family members can be easily infected as well. Itching around the anus -- where these tiny worms lay their eggs -- is the only major symptom.