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.
Pinworm infection is caused by the helminth (Enterobius vermicularis), a small, white parasitic worm. The pinworm is about the length of a staple (ranges from 2 to 13 mm [0.08 to 0.5 inches]) and lives for the most part in the rectum of humans. While an infected person is asleep, female pinworms exit the intestines through the anus and deposit eggs on the skin around the anus.