Tapeworm eggs normally enter the human host from animals via food, especially raw or undercooked meat. Humans can also become infected if there is contact with animal feces or contaminated water. When an infection is passed from an animal to a human, it is called zoonosis.
Where are tapeworm eggs found?
Once inside your intestines, the eggs develop into larvae. At this stage, the larvae become mobile. If they migrate out of your intestines, they form a cyst in the liver or other tissues.
Do tapeworms lay eggs outside the body?
At night, female worms come outside to lay eggs in the skin around your anus.
Where do most tapeworms come from?
Tapeworms are flat, segmented worms that live in the intestines of some animals. Animals can become infected with these parasites when grazing in pastures or drinking contaminated water. Eating undercooked meat from infected animals is the main cause of tapeworm infection in people.
How are tapeworm eggs released?
The sac, called a "proglottid," is passed from the host's rectum and out into the world, either on the host's stool or on the host's rear end. The segment is the size of a grain of rice and is able to move. Eventually the segment will dry and look more like a sesame seed. The sac breaks and tapeworm eggs are released.
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