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Taenia saginata proglottid stained to show uterine branches: The pore on the side identifies it as a cyclophyllid cestode. T. saginata is the largest of species in the genus Taenia. An adult worm is normally 4 to 10 m in length, but can become very large; specimens over 22 m long are reported.
A pair of Taenia proglottids, dried and resembling sesame seeds, each containing hundreds of eggs Life cycle of T. saginata inside and outside of the human body. The life cycle begins with either the gravid proglottids or free eggs (embryophores) with oncospheres (also known as hexacanth embryos) being passed in the feces, which can last for days to months in the environment.
Taenia saginata is due to eating contaminated undercooked beef while Taenia solium and Taenia asiatica is from contaminated undercooked pork. [2] Diagnosis is by examination of stool samples. [4] Prevention is by properly cooking meat. [1] Treatment is generally with praziquantel, though niclosamide may also be used. [1]
Taenia asiatica, commonly known as Asian taenia or Asian tapeworm, is a parasitic tapeworm of humans and pigs. It is one of the three species of Taenia infecting humans and causes taeniasis . Discovered only in 1980s from Taiwan and other East Asian countries as an unusual species, it is so notoriously similar to Taenia saginata , the beef ...
It is important to distinguish that there is a very significant difference between intestinal human tapeworm infection and human coenurosis. Humans are the definitive hosts for some tapeworm species, the most common being T. saginata and T. solium (beef and pork tapeworms). This means that these species can develop into full grown ...
Taenia solium, the pork tapeworm, belongs to the cyclophyllid cestode family Taeniidae. It is found throughout the world and is most common in countries where pork is eaten. It is a tapeworm that uses humans ( Homo sapiens ) as its definitive host and pigs (family Suidae ) as the intermediate or secondary hosts .
Humans are subject to infection by several species of tapeworms if they eat undercooked meat such as pork (Taenia solium), beef (T. saginata), and fish (Diphyllobothrium), or if they live in, or eat food prepared in, conditions of poor hygiene (Hymenolepis or Echinococcus species).
The Taeniidae / t ɪ ˈ n aɪ. ɪ d iː / are a family of tapeworms.It is the largest family representing the order Cyclophyllidea. [1] It includes many species of medical and veterinary importance, as Taenia solium (pork tapeworm), Taenia saginata (beef tapeworm), and Echinococcus granulosus.