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 Enterobius vermicularis. E vermicularis is a white slender nematode with a pointed tail. In humans, they reside in the cecum, appendix, and ascending colon.ackground. Pinworm infection is caused by Enterobius vermicularis. E vermicularis is a white slender nematode with a pointed tail. In humans, they reside in the cecum, appendix, and ascending colon. Female pinworms are 8-13 mm long, and males are 2-5 mm long.