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Taeniasis is an infection within the intestines by adult tapeworms belonging to the genus Taenia. [6] [7] It is due to eating contaminated undercooked beef or pork. [6] There are generally no or only mild symptoms. [6] Symptoms may occasionally include weight loss or abdominal pain. [8] Segments of tapeworm may be seen in the stool. [8]
For example, praziquantel is an effective treatment for tapeworm infection, and is preferred over the older niclosamide. [39] While accidental tapeworm infections in developed countries are quite rare, such infections are more likely to occur in countries with poor sanitation facilities or where food hygiene standards are low. [36]
The effects of parasitic worms, or helminths, on the immune system is a recently emerging topic of study among immunologists and other biologists. Experiments have involved a wide range of parasites, diseases, and hosts. The effects on humans have been of special interest.
Cysticercosis is a tissue infection caused by the young form of the pork tapeworm. [6] [1] People may have few or no symptoms for years.[3] [2] In some cases, particularly in Asia, solid lumps of between one and two centimeters may develop under the skin. [1]
Each side of the scolex has a slit-like groove, which is a bothrium for attachment to the intestine. The scolex attaches to the neck, or proliferative region. From the neck grow many proglottid segments which contain the reproductive organs of the worm. D. latum is the longest tapeworm in humans, averaging ten meters
Dwarf tapeworm (Hymenolepis nana, also known as Rodentolepis nana, Vampirolepis nana, Hymenolepis fraterna, and Taenia nana) is a cosmopolitan species though most common in temperate zones, and is one of the most common cestodes (a type of intestinal worm or helminth) infecting humans, especially children.
The standard treatment for diphyllobothriasis (as well as many other tapeworm infections) is a single dose of praziquantel, 5–10 mg/kg orally once for both adults and children. [16] [17] [18] Praziquantel is not FDA-approved for this indication. [16] Praziquantel has few side effects, many of which are similar to the symptoms of ...
Raillietina cesticillus is a small tapeworm measuring about 15 centimetres (5.9 in) in length, and 1.5–3 millimetres (0.059–0.118 in) in width. It is whitish in colour, highly elongated, dorso-ventrally flattened, and entirely covered with a tegument.