• Since data regarding praziquantel treatment of H. diminuta is sparse, scientists have recommended that every case and treatment of H. diminuta be reported for development of protocols and parasitological purposes. (wikipedia.org)
  • Hymenolepis diminuta infection in humans is rare, typically occurring in isolated cases. (wikipedia.org)
  • Prevalence of Hymenolepis diminuta infection in man in the New Guinea Highlands. (wikipedia.org)
  • Human infection with Hymenolepis diminuta : Case report from Spain. (wikipedia.org)
  • Marangi M, Zechini B, Fileti A, Quaranta G, Aceti A. Hymenolepis diminuta infection in a child living in the urban area of Rome, Italy. (wikipedia.org)
  • Hymenolepiasis is the most common intestinal tapeworm infection of humans caused by worm of family cestoda, genus Hymenolepis and species nana . (medscape.com)
  • This infection does not require an intermediate host and infection can occur directly from one infected person to another by fecal-oral transmission. (medscape.com)
  • Another less frequent zoonotic intestinal tapeworm infection is caused by H diminuta , commonly known as the rat tapeworm, in which humans are incidental hosts. (medscape.com)
  • H. diminuta infection is acquired by the mammalian host after ingestion of an intermediate host carrying the cysticercoid larvae (4). (medscape.com)
  • It has slightly bigger eggs and proglottids than H. nana and infects mammals using insects as intermediate hosts. (wikipedia.org)
  • In addition, the cysticer-coid stages of H nana can also invade and develop in the human intestine thus is capable of completing its entire life cycle in the human host. (medscape.com)
  • H nana can also be transmitted through autoinfection without having to pass through the insect host. (medscape.com)
  • Life cycle of Hymenolepis nana. (medscape.com)
  • Eggs of Hymenolepis nana are immediately infective when passed with the stool and cannot survive more than 10 days in the external environment (1). (medscape.com)
  • Hymenolepis diminuta, also known as rat tapeworm, is a species of Hymenolepis tapeworm that causes hymenolepiasis. (wikipedia.org)
  • In a behavioral study of the beetle Tenebrio molitor with cysticercoids of the rat tapeworm H. diminuta, findings suggested that the parasite impairs a beetle's ability to conceal itself. (wikipedia.org)
  • It differs from other tapeworm because it requires only one host, but can also cycle through two. (msdmanuals.com)
  • When eggs are ingested by an arthropod intermediate host (2) (various species of beetles and fleas may serve as intermediate hosts), they develop into cysticercoids, which can infect humans or rodents upon ingestion (3) and develop into adults in the small intestine. (medscape.com)
  • Rodents, especially rats, are definitive hosts and natural reservoirs of H. diminuta. (wikipedia.org)
  • In rural Devghar, India, a place heavily infested with rodents and cockroaches, H. diminuta eggs were found in a 12-year-old girl living in a small village. (wikipedia.org)
  • fraterna , infects rodents and uses arthropods as intermediate hosts. (medscape.com)
  • Eggs of Hymenolepis diminuta are passed out in the feces of the infected definitive host (rodents, man) (1). (medscape.com)
  • The intermediate hosts are the coprophilic arthropods (fleas, lepidoptera, and coleoptera). (wikipedia.org)
  • Arthropods are then able to act as the intermediate host. (wikipedia.org)
  • the life cycle does not require an intermediate host. (msdmanuals.com)
  • The mature eggs are ingested by an intermediate host (various arthropod adults or larvae) (2), and oncospheres are released from the eggs and penetrate the intestinal wall of the host (3), which develop into cysticercoid larvae. (medscape.com)
  • Human-to-human oral-anal cycle: Eggs are passed from one human to another or recycle externally in a single host. (msdmanuals.com)
  • Internal autoinfection: Eggs hatch within the gut and initiate a 2nd generation without ever exiting the host. (msdmanuals.com)
  • In recent findings, beetle-to-beetle transmission of H. diminuta can be seen via the feces. (wikipedia.org)
  • The first intermediate hosts of Metagonimus takahashii include freshwater snails Semisulcospira coreana [2] [3] and Koreanomelania nodifila . (mdwiki.org)
  • Overall, the training experiment portrayed that infected beetles were unable to hide from the rat, illustrating the high impact the parasite had on its host, the beetle. (wikipedia.org)
  • Hymenolepis diminuta has been cited as a possible candidate species for helminthic therapy, i.e. the controlled use of live organism parasites for the prevention and control of diseases of modern living. (wikipedia.org)
  • Species from the genus Tribolium are common intermediate hosts for H. diminuta . (medscape.com)
  • Life cycle of Hymenolepis dimunita. (medscape.com)
  • The miracidium uses cilia to follow chemical and physical cues thought to increase its chances of finding the first intermediate host in its life cycle, a freshwater snail . (wikipedia.org)
  • and use various physical and chemical cues in order to locate the next and final (definitive) host in the life cycle, a bird. (wikipedia.org)
  • As the definitive host (rats) eats an infected arthropod, cysticercoids present in the body cavity transform into the adult worm. (wikipedia.org)