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 Worms : It is also important to know whether any other members of the family are affected as worms that can cause this symptom often affect more than one member of the family.  Pinworms : In children, a common cause of persistent anal itching is infestation with the parasite that causes pinworms.