Helminthology

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The helminth Spinochordodes parasitising a bush-cricket (Meconema sp.) Spinochordodes in Meconema.jpg
The helminth Spinochordodes parasitising a bush-cricket ( Meconema sp.)
A plate from Felix Dujardin's 1845 Histoire naturelle des helminthes ou vers intestinaux Dujardin 1845 Planche 2.png
A plate from Félix Dujardin's 1845 Histoire naturelle des helminthes ou vers intestinaux

Helminthology is the study of parasitic worms (helminths). The field studies the taxonomy of helminths and their effects on their hosts.

Parasitic worm A commonly used term to describe certain parasitic worms with some similarities, many of which are intestinal worms

Parasitic worms, also known as helminths, are large macroparasites; adults can generally be seen with the naked eye. Many are intestinal worms that are soil-transmitted and infect the gastrointestinal tract. Other parasitic worms such as schistosomes reside in blood vessels.

Taxonomy (biology) The science of identifying, describing, defining and naming groups of biological organisms

In biology, taxonomy is the science of naming, defining (circumscribing) and classifying groups of biological organisms on the basis of shared characteristics. Organisms are grouped together into taxa and these groups are given a taxonomic rank; groups of a given rank can be aggregated to form a super-group of higher rank, thus creating a taxonomic hierarchy. The principal ranks in modern use are domain, kingdom, phylum, class, order, family, genus, and species. The Swedish botanist Carl Linnaeus is regarded as the founder of the current system of taxonomy, as he developed a system known as Linnaean taxonomy for categorizing organisms and binomial nomenclature for naming organisms.

Host (biology) Organism that harbours another organism

In biology and medicine, a host is an organism that harbours a parasitic, a mutualistic, or a commensalist guest (symbiont), the guest typically being provided with nourishment and shelter. Examples include animals playing host to parasitic worms, cells harbouring pathogenic (disease-causing) viruses, a bean plant hosting mutualistic (helpful) nitrogen-fixing bacteria. More specifically in botany, a host plant supplies food resources to micropredators, which have an evolutionarily stable relationship with their hosts similar to ectoparasitism. The host range is the collection of hosts that an organism can use as a partner.

The origin of the first compound of the word is the Greek ἕλμινς - helmins, meaning "worm".

In the 18th and early 19th century there was wave of publications on helminthology; this period has been described as the science's "Golden Era". During that period the authors Félix Dujardin, [1] William Blaxland Benham, Peter Simon Pallas, Marcus Elieser Bloch, Otto Friedrich Müller, [2] Johann Goeze, Friedrich Zenker, Charles Wardell Stiles, Carl Asmund Rudolphi, Otto Friedrich Bernhard von Linstow [3] and Johann Gottfried Bremser started systematic scientific studies of the subject. [4]

Félix Dujardin French biologist

Félix Dujardin was a French biologist born in Tours. He is remembered for his research on protozoans and other invertebrates.

Peter Simon Pallas German zoologist and botanist (1741-1811)

Peter Simon Pallas FRS FRSE was a Prussian zoologist and botanist who worked in Russia (1767–1810).

Marcus Elieser Bloch German zoologist and doctor

Marcus Elieser Bloch (1723–1799) was a German medical doctor and naturalist. Although he had limited education, he became a teacher in Hamburg, learned German and Latin and studied anatomy. He later settled in Berlin where he became a physician. Always interested in natural history, he amassed a private collection of natural objects. He is generally considered one of the most important ichthyologists of the 18th century, and wrote many papers on natural history, comparative anatomy, and physiology.

The Japanese parasitologist Satyu Yamaguti was one of the most active helminthologists of the 20th century; he wrote the six-volume Systema Helminthum. [5] [6]

Satyu Yamaguti Japanese parasitologist

Satyu Yamaguti was a Japanese parasitologist, entomologist, and helminthologist. He was a specialist of mosquitoes and helminths such as digeneans, monogeneans, cestodes, acanthocephalans and nematodes. He also worked on the parasitic crustaceans Copepoda and Branchiura. Satyu Yamaguti wrote more than 60 scientific papers and, more importantly, several huge monographs which are still in use by scientists all over the world and were cited over 1,000 times each.

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Protistology is a scientific discipline devoted to the study of protists, a highly diverse group of eukaryotic organisms. Its field of study overlaps with more traditional disciplines of phycology, mycology, and protozoology, just as protists, which, being a paraphyletic group embrace algae, some organisms regarded previously as primitive fungi, and protozoa.

Otto Friedrich Bernhard von Linstow was a German high-ranking medical officer and helminthologist. Von Linstow was born in Itzehoe north west of Hamburg. He received his medical PhD in 1864 at the University of Kiel and worked as military doctor in Hameln, later in Göttingen, where he was promoted to a major. He published his book Compendium der Helminthology in 1878 in Hannover. Von Linstow died 3 May 1916 in Göttingen.

<i>Microcotyle</i> genus of worms

Microcotyle is a genus which belongs to the phylum Platyhelminthes and class Monogenea. Species of Microcotyle are ectoparasites that affect their host by attaching themselves as larvae on the gills of the fish and grow into adult stage. This larval stage is called oncomiracidium, and is characterized as free swimming and ciliated.

Opecoelidae family of worms

Opecoelidae is a family of trematodes. It is the largest digenean family with over 90 genera and nearly 900 species, almost solely found in marine and freshwater teleost fishes. It was considered by Bray et al. to belong in the superfamily Opecoeloidea Ozaki, 1925 or the Brachycladioidea Odhner, 1905.

Diplectanidae family of worms

The Diplectanidae are a family of monopisthocotylean monogeneans. They are all parasitic on the gills of fish. Diplectanids are small animals, generally around 1 mm in length. As parasites, they can be extremely numerous, up to several thousand on an individual fish.

<i>Pseudorhabdosynochus epinepheli</i> species of worm

Pseudorhabdosynochus epinepheli is a diplectanid monogenean parasitic on the gills of species of groupers. It is the type species of the genus Pseudorhabdosynochus Yamaguti, 1958.

Telorchis is a genus of trematode parasites found in many herps, comprising around 70 species. This parasite is an indirect parasite, with a snail intermediate host and a reptile or amphibian definitive host. Typically found in the gastrointestinal tract of their definitive host, telorchids attach to the wall of the intestinal tract with their ventral sucker, or acetabulum.

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<i>Hamacreadium</i> genus of worms

Hamacreadium is a genus of trematodes in the family Opecoelidae. It is synonymous with Olivacreadium Bilqees, 1976. Species of Hamacreadium are endoparasitic in fish such as Lethrinus Cuvier, 1829.

Acanthoparyphium tyosenense is a species of digenetic trematodes in the family Himasthlidae.

Cainocreadium is a genus of trematodes in the family Opecoelidae. It has been synonymised with Apopodocotyle Pritchard, 1966, Cainocreadoides Nagaty, 1956, and Emmettrema Caballero y Caballero, 1946.

<i>Chimaericola leptogaster</i> species of worm

Chimaericola leptogaster is a species of polyopisthocotylean monogenean in the family Chimaericolidae. It is ectoparasitic on the gills of the chimaera Chimaera monstrosa.

Microcotyle caudata is a species of monogenean, parasitic on the gills of a marine fish. It belongs to the family Microcotylidae.

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References

  1. Dujardin, Félix (1845). "Histoire naturelle des helminthes ou vers intestinaux". Librairie Encyclopédique de Roret. doi:10.5962/bhl.title.10123. Open Access logo PLoS transparent.svg
  2. Müller, Otto Frederik (1773). "Vermivm terrestrium et fluviatilium, seu, Animalium infusoriorum, helminthicorum et testaceorum, non marinorum, succincta historia / auctore Othone Friderico Müller". doi:10.5962/bhl.title.46299.Cite journal requires |journal= (help) Open Access logo PLoS transparent.svg , Biodiversity Heritage Library
  3. Linstow, Otto Friedrich Bernhard von (1878). "Compendium der Helminthologie. Ein Verzeichniss der bekannten Helminthen, die frei oder in thierischen Körpern leben, geordnet nach ihren Wohnthieren, unter Angabe der Organe, in denen sie gefunden sind, und mit Beifügung der Litteraturquellen". doi:10.5962/bhl.title.1406.Cite journal requires |journal= (help) Open Access logo PLoS transparent.svg
  4. Ernst, Maurice. (1910). "Oxyuris vermicularis (the threadworm). A treatise on the parasite and the disease in children and adults, together with the particulars of a rapid, harmless and reliable cure". doi:10.5962/bhl.title.22359.Cite journal requires |journal= (help) Open Access logo PLoS transparent.svg
  5. Anonymous. 1983. Special edition: A list of papers by Dr. Satyu Yamaguti and his collaborators and a notice on their distribution. The Meguro Parasitological Museum News, 153 (58), 1-12. PDF Open Access logo PLoS transparent.svg
  6. Google Scholar: papers and books authored by Satyu Yamaguti and their citations