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Pathology Reference Libraries

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Paragonimus westermani
2014-01-12 00:00:00

Paragonimus westermani is a species of fluke, or flatworm that is classified within the Platyhelminthes phylum. This species is abundant in South America and Asia and affects the lungs of humans and other hosts. It was first discovered in 1878 in Europe after two Bengal tigers died. In 1879, Ringer found this species in the lungs of a human. Manson and Erwin von Baelz identified the sputum and...

Wolbachia
2011-04-28 17:50:48

Wolbachia is a genus of bacteria which infects arthropod species, including a high proportion of insects (~60% of species). It is one of the world's most common parasitic microbes and possibly the most common reproductive parasite in biosphere. Studies have suggested that 25-70% of all insect species are estimated to be potential hosts. Marshall Hertig and Burt Wolbach first identified the...

Vibrio parahaemolyticus
2011-04-28 15:17:59

Vibrio parahaemolyticus is a curved, rod-shaped, Gram-negative bacterium found in brackish saltwater, which, when ingested, causes gastrointestinal illness in humans. V. parahaemolyticus is oxidase positive, facultatively aerobic, and does not form spores. This species is motile, with a single, polar flagellum. Ingestion of raw or undercooked seafood is the most common cause of the acute...

Burkholderia cepacia complex
2011-04-14 15:49:49

Burkholderia cepacia complex (BCC), is a group of catalase-producing, non-lactose-fermenting Gram-negative bacteria composed of at least nine different species. It is an important human pathogen that often causes pneumonia in immunocompromised individuals with underlying lung disease. They are typically found in water and soil and can survive for prolonged periods in moist environments....

Actinomyces israelii
2011-04-14 13:54:22

Actinomyces israelii is a species of Actinomyces and is sometimes known as the "most misdiagnosed disease" since it is often confused with neoplasms. It is a colonizer of the vagina, colon, and mouth. Infection happens through breach of the mucosal barrier during various procedures, aspiration, or pathologies such as diverticulitis. The chronic phase is also known as the classic phase due to...

Strawberry vein banding virus
2011-03-03 21:36:56

Strawberry vein banding virus (SVBV) is a plant pathogenic virus and a member of the family Caulimoviridae. It was first described by Frazier after differential aphid transmission to susceptible wild strawberries. He identified suitable virus indicators and demonstrated virus transmission by various aphids, dodder, and grafting. He also established the inability of the virus to transmit via...

Vesicular stomatitis virus
2011-02-23 21:23:46

Vesicular stomatitis virus (VSV) is a virus in the family Rhabdoviridae. Rabies is in the same family. VSV infects insects and animals and is important to farmers in certain regions of the world where it can infect cattle. It is a common laboratory virus used for studying the Rhabdoviridae family and viral evolution. It is the prototypic member of the vesiculovirus genera of the Rhabdovirus...

Tobacco Ringspot Virus
2011-02-23 21:12:28

Tobacco ringspot virus (TRSV) is a plant pathogenic virus in the plant virus family Comoviridae. It of the type species Comoviridae Genus Nepovirus. Nepoviruses are transmitted between plants by nematodes. It is easily transmitted by sap inoculation and transmission in seeds has been reported. IT was first observed in tobacco fields in Virginia in 1927. It is an isometric particle with a...

Tobacco Mosaic Virus
2011-02-23 21:08:22

Tobacco mosaic virus (TMV) is a positive-sense single stranded RNA virus that infects plants, namely tobacco and other members of the family Solanaceae. It causes characteristic patterns on the leaves. In 1930 it was determined that an infectious agent was determined to be a virus. Adolf Mayer first described the disease in 1883. The disease can be transferred between plants similar to...

Semliki Forest virus
2011-02-23 20:55:25

The Semliki Forest virus was isolated from mosquitoes in the Semliki Forest in 1942. It can cause disease in both animals and man. It's an Alphavirus found in central, eastern, and southern Africa. It is a positive-stranded RNA virus. It is spread mainly by mosquito bites and infects mammals through inhalation or gastrointestinal exposure. The virus can cause lethal encephalitis in rodents;...

Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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