What does enterobiasis mean?
Enterobiasis is the medical term for an infestation with pinworms — small parasitic roundworms of the species Enterobius vermicularis that live in the human intestine. It is one of the most widespread parasitic infections in the world and is especially common among young children, who pick up microscopic eggs on their fingers from contaminated surfaces and then swallow them. The hallmark symptom is intense itching around the anus, typically worse at night when female worms emerge to lay eggs. Though uncomfortable and easily spread within households and schools, enterobiasis is harmless in most cases and responds well to a single dose of medication such as mebendazole or pyrantel, often repeated after two weeks to eliminate newly hatched worms. The word is formal register, appearing mainly in medical literature and health guidance; lay speakers simply say "pinworms." Its Greek-derived name literally means "life in the intestine," a fitting label for a parasite so closely tied to human habitation.
nounInfestation with pinworms (Enterobius vermicularis), a common intestinal parasitic infection marked by intense anal itching, especially in children.
- Medical: infestation of the intestine with pinworms (Enterobius vermicularis), causing perianal itching and discomfort.
"The pediatrician diagnosed enterobiasis after the child's persistent nighttime itching prompted a tape test."
"Enterobiasis spreads easily among schoolchildren through hand-to-mouth transfer of pinworm eggs."
"A single dose of mebendazole usually clears enterobiasis, though household members are often treated as well."
Rarely used; enterobiasis is almost always treated as an uncountable mass noun referring to the condition generally.
"Clinicians documented several distinct enterobiases across the ward's pediatric patients."
It's the most common worm infection in the developed world — and the culprit is a pinworm just under half an inch long that lays its eggs at night right around the anus.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of enterobiasis
The word enters English via New Latin scientific naming, built on the genus name Enterobius, itself coined from Greek elements: entera meaning "intestine" and bios meaning "life." The suffix -iasis is used in medicine to denote a diseased or abnormal condition caused by parasites. Thus enterobiasis literally conveys "the condition of life (of worms) in the intestine." The parasite's binomial, Enterobius vermicularis, reflects the same construction and has been the standard scientific name since the nineteenth century.
How enterobiasis is actually used
A formal medical term used chiefly in clinical and public-health writing; in everyday speech people say "pinworms" or "a pinworm infection." It is countable only rarely (plural "enterobiases") and is normally treated as an uncountable mass noun.
Easily confused with enterobiasis
Elephantiasis is severe limb swelling caused by lymphatic filarial worms, whereas enterobiasis is a mild intestinal pinworm infection.
Enteritis is inflammation of the intestine, while enterobiasis is a specific parasitic infestation by pinworms.