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 eggs can survive for up to two weeks on some surfaces. So a child can pick up pinworms by touching an object â such as a toy or a towel â handled by someone else with pinworms and then putting his fingers in his mouth. Or he can pick them up by eating food contaminated by someone with pinworms. The eggs then travel to his large intestine, where they hatch. From there, female pinworms migrate out of the child's intestines to lay their eggs on his anus. As the worms move, they cause intense itching that can disrupt sleep. When the child scratches his itchy bottom, the eggs get under his fingernails, and another cycle begins when he puts his hands in his mouth.