Hymenolepioza hymenolepidoza hymenolepiosis hymenolepiasis tasiemiec karlowaty szczurzy

Ą= Infectńre Stage A= Diagnostic Stage

Cysttcercoid develops in insect

Egg ingested by insect

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Embryonated egg m feces

A Humans and rodents are f ^v infected when they ingest£^-*p cystscercokl-infected arthropods.

Embryonated egg ngesłed by humans from contarmnated food, water, or hands

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Oncosphere hatches Cysticercoid deve!ops in intestinal villus

Scolex

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W    Auloinfection can occur if

Ę O^e99^s f&niaśn in the Intestine.

"    The eggs then release the

hexacanth embryo. which penetrates the intestinal villus continuing the cycle.

1

Adult m portion of smali intestme

• Eggs can be reteased through the genital atrium of the gravid proglottids. Gravid proglottids can also disintegrate releasing eggs that are passed in stools.