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 (Enterobius vermicularis) are the most common intestinal parasite in the U.S. Pinworms occur most often in school-age children, but are highly contagious, and can easily spread to the entire family and to classmates of infected children.