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.
What Are the Causes of Pinworms? According to the Centers for Disease Control, pinworms account for the most common parasitic infection caused by worms, infecting around 40 million people in the United States. Pinworms affect primarily preschool- and school-aged children, although institutionalized people and their caretakers are also at risk.