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2 edition of Development of Hymenolepis nana and Hymenolepis diminuta (Cestoda: Hymenolepididae) in the intermediate host Tribolium confusum found in the catalog.

Development of Hymenolepis nana and Hymenolepis diminuta (Cestoda: Hymenolepididae) in the intermediate host Tribolium confusum

Marietta Voge

Development of Hymenolepis nana and Hymenolepis diminuta (Cestoda: Hymenolepididae) in the intermediate host Tribolium confusum

by Marietta Voge

  • 370 Want to read
  • 40 Currently reading

Published by University of California Press in Berkeley .
Written in English

    Subjects:
  • Hymenolepis.,
  • Parasites -- Tribolium confusum.

  • Edition Notes

    Bibliography: p. 562.

    Statementby Marietta Voge and Donald Heyneman.
    SeriesUniversity of California publications in zoology,, v. 59, no. 9, University of California publications in zoology ;, v. 59, no. 9.
    ContributionsHeyneman, Donald, 1925- joint author.
    Classifications
    LC ClassificationsQL1 .C15 vol. 59, no. 9
    The Physical Object
    Pagination549-579 p.
    Number of Pages579
    ID Numbers
    Open LibraryOL213467M
    LC Control Numbera 57009980
    OCLC/WorldCa3056808

    Hymenolepiasis is an infection caused by Hymenolepis nana (H. nana) and H. diminuta (H. diminuta).Hymenolepiasis is prevalent throughout the world with human infections with H. nana being frequently reported in the literature as compared to H. lepiasis is more frequent among children, and most human infections remain asymptomatic and self-limited. Economic Importance for Humans: Negative. Hymenolepis diminuta is a cestode which sometimes causes infection in infection results from eating such foods as dried fruits and precooked breakfast cereals in which the infected grain insects, themselves infected from eating rat or mouse droppings, are present. Some symptoms of infestation in humans include, enteritis, anorexia.

    Hymenolepiasis is an infection caused by Hymenolepis nana (H. nana) and H. diminuta (H. diminuta). Hymenolepiasis is prevalent throughout the world with human infections with H. nana being frequently reported in the literature as compared to H. diminuta. Hymenolepiasis is more frequent among children, and most human infections remain asymptomatic and self-limited.   Confusion may occur with the related Hymenolepis diminuta, however ta eggs of the ‘Rat Tapeworm’ are much larger (70 – 85 by 60 - 80 µm in diameter) than those of They also do not possess the polar filaments as previously mentioned.

    Hymenolepis Diminuta. H. diminuta rarely infects humans and it's primary hosts are H. nana, H. diminuta requires an intermediate host to complete its life common intermediate hosts include flour moths, flour beetles, meal worms, and cockroaches. It is inside the body cavity of these intermediate hosts that the ingested egg by way of contaminated feces hatches and. hymenolepis nana: hymenolepis diminuta The difference between the eggs is used for diagnostic purposes. The H. nana egg has polar filaments that project from either side of the This difference is representative of the different stages and the different types of development that these worms undergo inside of a human (or other difinitive.


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Development of Hymenolepis nana and Hymenolepis diminuta (Cestoda: Hymenolepididae) in the intermediate host Tribolium confusum by Marietta Voge Download PDF EPUB FB2

Arthropods, especially beetles, serve as intermediate hosts for Hymenolepis arthropod intermediate host is required for H. diminuta, but not H. nana, and humans can become infected with the latter by direct ingestion of the arthropod host, the eggs develop into cysticeroids, which can infect the mammalian host upon ingestion and develop into adults in the small.

Hymenolepis nana infection is observed in households with poor hygiene and overcrowding, and can have a prevalence of 5–25% in children [54]. In the southeastern USA, as many as 1% of young school-children are infected.

Hymenolepis diminuta has a cosmopolitan distribution with prevalence up to 1% in parts of India. Children are most likely to.

Description and lifecycle. Hymenolepis diminuta is another member of the tapeworm family Hymenolepididae (Soulsby, ).The parasite is commonly known as the rat tapeworm. diminuta may be distinguished from R. nana by its greater size, being 20 to 60 mm in length and 3 to 4 mm in width; and its having a small pear-shaped scolex bearing four deep suckers with an unarmed.

Get this from a library. Development of Hymenolepis nana and Hymenolepis diminuta (Cestoda: Hymenolepididae) in the intermediate host Tribolium confusum. [Marietta Voge; Donald Heyneman]. Hymenolepis nana (Bilharz, ) Ransom, [1] 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.

Hymenolepis worms live in the intestines of rats and are common in warm climates, and are generally found in the feces of rats, which are consumed by their secondary hosts—beetles. The worms mature into a life form referred to as a "cysticercoid" in the insect; in H.

nana, the insect is always a and other animals become infected when they intentionally or unintentionally eat. Hymenolepis infection or infection with the dwarf tapeworm is found worldwide. It is most often seen in children in countries in which sanitation and hygiene are inadequate.

Although the dwarf tapeworm infection rarely causes symptoms, it can be misdiagnosed for pinworm infection. Image: Left: H.

nana. HYMENOLEPIS NANA. Synonyms: Tœnia murina, Tœnia nana, Tœnia œgyptica; Diplacanthus manus, Hymenolepis nana, Hymenolepis murina. The dwarf tapeworm was found in man for the first time by Bilharz, in Cairo, Egypt, in He recovered a "countless number" of them at a postmortem on a boy who had died of meningitis.

Hymenolepiasis is an intestinal infection by one of two specific types of the following Hymenolepis species of tapeworm parasite: The Hymenolepis nana (commonly known as the dwarf tapeworm) And, the Hymenolepis diminuta (commonly known as the rat tapeworm) Like most tapeworms, this species of tapeworm is incapable of digesting nutrients on its own.

What is Hymenolepis nana infection?. The dwarf tapeworm or Hymenolepis nana is found worldwide. Infection is most common in children, in persons living in institutional settings, and in people who live in areas where sanitation and personal hygiene is inadequate.

Causal Agent: Hymenolepiasis is primarily caused by the cestode (tapeworm) species, Hymenolepis nana (the dwarf tapeworm, adults measuring 15 to 40 mm in length). Life Cycle: Eggs of Hymenolepis nana are immediately infective when passed with the stool and cannot survive more than 10 days in the external eggs are ingested by an arthropod intermediate host (various species of.

ADVERTISEMENTS: In this article we will discuss about Hymenolepis Nana. Morphology of Hymenolepis Nana: H. nana (Fig. ) is a cosmopolitan parasite. It is small and measures up to mm in length by one mm in diameter. Its scolex (Fig. ) is minute, rhomboidal and has four suckers and a short rectractile rostellum armed [ ].

Development of Hymenolepis Nana and Hymenolepis Diminuta (Cestoda: Hymenolepididae) in the Intermediate Host Tribolium Confusum [Voge, Marietta; Heyneman, Donald] on *FREE* shipping on qualifying offers.

Development of Hymenolepis Nana and Hymenolepis Diminuta (Cestoda: Hymenolepididae) in the Intermediate Host Tribolium ConfusumAuthor: Donald Voge, Marietta; Heyneman. Jones WE. Niclosamide as a treatment for Hymenolepis diminuta and Dipylidium caninum infection in man. Am J Trop Med Hyg (2) Romero Cabello R, Guerrero LR, Munoz Garcia M, Geyne Cruz A.

Nitazoxanide for the treatment of intestinal protozoan and helminthic infections in Mexico. Trans R Soc Trop Med Hyg Hymenolepis nana infections are much more common than Hymenolepis diminuta infections in humans. These infections used to be common in the southeastern United States, in crowded environments, and in people who were confined to institutions.

However, the. Detailed comparative accounts are given of the larval development of Hymenolepis diminuta and H. nana in adults of the Tenebrionid, Tribolium confusum Duv., maintained at 30°C.

[86°F.]. Five stages in the growth of the larvae are distinguished, and the average times taken for development were hours for H. diminuta and hours for H. nana. INTRODUCTION.

Hymenolepis nana, the dwarf tapeworm, is the smallest and a common tapeworm in humans worldwide.H. nana infection occurs more frequently in warm climates and temperate zones such as Asia [], Central and South America [2,3], and Eastern Europe [].Light H.

nana infections are usually asymptomatic, whereas heavy infections with more than 2, worms can induce a wide range of. Humans or rodents can be the reservoir of H.

nana. diminuta, the reservoirs are rodents and insects (specifically flour beetles, Tribulium species).[3,1] Hymenolepis has no vectors. nana' s larval stage occurs either inside an auto infected host's intestinal villus or an intermediate rat host.

C-F: Eggs of Hymenolepis nana. These eggs are oval and smaller than those of H. diminuta, with a size range of 30 to 50 µm. On the inner membrane are two poles, from which polar filaments spread out between the two membranes.

The oncosphere has six hooks. Epidemiology of Hymenolepis spp. In humans, infections with Hymenolepis nana are much more common than infections with Hymenolepis diminuta. nana is the most common cause of all cestode infections and is encountered worldwide. In temperate areas, its incidence is higher in children and institutionalized groups.

Hymenolepiasis is the term when a human is infected with either H. diminuta or H. Nana Hymenolepis nana Hymenolepis diminuta 5. Morphology of Adult worm are only mm long and 1 mm wide Neck is long and slender Whole H. nana adult worm with various stages of proglottid development stained for visibility 6.Hymenolepis diminuta, also known as rat tapeworm, is a species of Hymenolepis tapeworm that causes has slightly bigger eggs and proglottids than H.

nana and infects mammals using insects as intermediate adult structure is 20 to 60 cm long and the mature proglottid is similar to that of H. nana, except it is larger. H. diminuta is prevalent worldwide, but only a few.Infection with tapeworms of the genus Hymenolepis.

- (Source - Diseases Database) Hymenolepiasis is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Hymenolepiasis, or a subtype of Hymenolepiasis, affects less thanpeople in .