Enterobius vermicularis

E93302

Enterobius vermicularis is a small parasitic pinworm that commonly infects the human intestine, especially in children, causing enterobiasis characterized by perianal itching.

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Observed surface forms (1)

Surface form Occurrences
Enterobius 1

Statements (51)

Predicate Object
instanceOf parasitic nematode
pinworm
species
adultWormColor white
adultWormSexualDimorphism females larger than males
causes enterobiasis
commonName human pinworm
threadworm
complication appendiceal irritation
vulvovaginitis
diagnosisMethod identification of adult worms
identification of eggs
perianal tape test
domain Eukarya
surface form: Eukaryota
eggCharacteristic asymmetrical shell
embryonated when laid
eggDepositionSite perianal region
eggInfectivityTime eggs become infective within hours
eggShape planoconvex
eggSurvival eggs can survive on fomites for several days
family Oxyuridae
femaleLength approximately 8 to 13 mm
genus Enterobius vermicularis self-linksurface differs
surface form: Enterobius
geographicDistribution worldwide
habitatInHost human cecum
human colon
human ileum
infects humans
intermediateHost none
kingdom Animalia
lifeCycleType direct life cycle
maleLength approximately 2 to 5 mm
moreCommonIn children
phylum Nematoda
prevention handwashing
short fingernails
washing bedding and clothing in hot water
primaryHost human
symptom irritability
nocturnal pruritus ani
perianal itching
sleep disturbance
taxonRank species
transmissionFactor crowded living conditions
poor hand hygiene
transmissionRoute fecal-oral route
ingestion of embryonated eggs
treatment albendazole
mebendazole
pyrantel pamoate
zoonoticPotential primarily human-specific

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Enterobius vermicularis genus Enterobius vermicularis self-linksurface differs
this entity surface form: Enterobius
Nematoda includesTaxon Enterobius vermicularis