EVERYDAY SCIENCE

Detailed explanation-1: -A pinworm (“threadworm”) is a small, thin, white roundworm (nematode) called Enterobius vermicularis that sometimes lives in the colon and rectum of humans. Pinworms are about the length of a staple.

Detailed explanation-2: -Sleeplessness: Because anal itching is worse at night, people suffering from a pinworm infection can have trouble sleeping, which can lead to decreased concentration, tiredness and weight loss.

Detailed explanation-3: -After the adult male and female pinworms have mated, the female pinworm migrates to the anus to deposit her eggs. A gravid female pinworm is able to lay 10, 000 to 15, 000 eggs. The laid eggs cause severe itching in the anal area, forcing the human host to scratch that area rigorously.

Detailed explanation-4: -Itching around the anal area, difficulty sleeping and irritability. If it is a severe infection, symptoms may include: nervousness. restlessness. loss of appetite. weight loss. girls may experience vaginal itching and irritation (vaginitis), if pinworms are near the vagina.