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Syngamidae
The Syngamidae are a family of nematodes which commonly parasitize mammals, birds, and rarely humans. They are classified in the Strongyloidae superfamily and Strongylata order.Eamsobhana P, Mongkolporn T, Punthuprapasa P, Yoolek A (2006). "Mammomonogamus roundworm (Nematoda: Syngamidae) recovered from the duodenum of a Thai patient: a first and unusual case originating in Thailand". ''Trans R Soc Trop Med Hyg'' 100: 387–91. Notable species within the family Syngamidae include ''Syngamus trachea'', commonly known as the gapeworm, which infests birds, and '' Mammomonogamus laryngeus'', which is a parasite of ungulates, cats, and orangutans, and which can accidentally infect humans. Parasitic infection occurs when the host ingests the parasite via contaminated food, water, or intermediate hosts like earthworms, snails, and arthropods Arthropods (, (gen. ποδός)) are invertebrate animals with an exoskeleton, a Segmentation (biology), segmented body, and paired jointed ap ...
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Syngamidae Taxonomy Chart
The Syngamidae are a family of nematodes which commonly parasitize mammals, birds, and rarely humans. They are classified in the Strongyloidae superfamily and Strongylata order.Eamsobhana P, Mongkolporn T, Punthuprapasa P, Yoolek A (2006). "Mammomonogamus roundworm (Nematoda: Syngamidae) recovered from the duodenum of a Thai patient: a first and unusual case originating in Thailand". ''Trans R Soc Trop Med Hyg'' 100: 387–91. Notable species within the family Syngamidae include ''Syngamus trachea'', commonly known as the gapeworm, which infests birds, and '' Mammomonogamus laryngeus'', which is a parasite of ungulates, cats, and orangutans, and which can accidentally infect humans. Parasitic infection occurs when the host ingests the parasite via contaminated food, water, or intermediate hosts like earthworms, snails, and arthropods Arthropods (, (gen. ποδός)) are invertebrate animals with an exoskeleton, a Segmentation (biology), segmented body, and paired jointed a ...
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Mammomonogamus
''Mammomonogamus'' is a genus of parasitic nematodes of the family Syngamidae that parasitise the respiratory tracts of cattle, sheep, goats, deer, cats, orangutans, and elephants. The nematodes can also infect humans and cause the disease called mammomonogamiasis.Anderson RC, Chabaud AG, Willmott S. CIH keys to the nematode parasites of vertebrates, no 7. Keys to genera of superfamily Strongyloidea. ''Commonwealth Agricultural Bureaux'', England, 1980. Several known species fall under the genus ''Mammomonogamus'', but the most common species found to infest humans is ''M. laryngeus''. Infection in humans is very rare, with only about 100 reported cases worldwide, and is assumed to be largely accidental.Nosanchuk, J.S., Wade, S.E., and Landolf, M (1995). Case Report of and Description of Parasite in Mammomonogamus laryngeus (Human Syngamosis) Infection. ''J of Clinical Microbiology''. 33: 998–1000. Cases have been reported from the Caribbean, China, Korea, Thailand, and Philip ...
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Strongylida
The Strongylida suborder includes many of the important nematodes found in the gastrointestinal tracts of ruminants, horses, and swine, as well as the lungworms of ruminants and the hookworms of dogs and cats. Taxonomy This suborder includes (superfamily - included families): *Ancylostomatoidea ** Ancylostomatidae * Diaphanocephaloidea **Diaphanocephalidae * Heligmosomoidea ** Heligmosomidae * Metastrongyloidea **Angiostrongylidae **Crenosomatidae **Filaroididae **Metastrongylidae **Protostrongylidae **Pseudaliidae ** Syngamidae * Molineoidea ** Molineidae * Strongyloidea **Chabertiidae **Cloacinidae ** Deletrocephalidae ** Stephanuridae **Strongylidae *Trichostrongyloidea ** Amidostomatidae **Cooperiidae ** Dictyocaulidae ** Dromaeostrongylidae ** Haemonchidae ** Heligmonellidae **Heligmosomatidae ** Herpetostrongylidae ** Mackerrasrtongylidae ** Nicollinidae **Trichostrongylidae Major superfamilies Diaphanocephaloidea These are parasites of the digestive tracts of terrestr ...
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Animal
Animals are multicellular, eukaryotic organisms in the Kingdom (biology), biological kingdom Animalia. With few exceptions, animals Heterotroph, consume organic material, Cellular respiration#Aerobic respiration, breathe oxygen, are Motility, able to move, can Sexual reproduction, reproduce sexually, and go through an ontogenetic stage in which their body consists of a hollow sphere of Cell (biology), cells, the blastula, during Embryogenesis, embryonic development. Over 1.5 million Extant taxon, living animal species have been Species description, described—of which around 1 million are Insecta, insects—but it has been estimated there are over 7 million animal species in total. Animals range in length from to . They have Ecology, complex interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology. Most living animal species are in Bilateria, a clade whose members have a Symmetry in biology#Bilate ...
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Arthropods
Arthropods (, (gen. ποδός)) are invertebrate animals with an exoskeleton, a Segmentation (biology), segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and Arthropod cuticle, cuticle made of chitin, often Mineralization (biology), mineralised with calcium carbonate. The arthropod body plan consists of segments, each with a pair of appendages. Arthropods are bilaterally symmetrical and their body possesses an exoskeleton, external skeleton. In order to keep growing, they must go through stages of moulting, a process by which they shed their exoskeleton to reveal a new one. Some species have wings. They are an extremely diverse group, with up to 10 million species. The haemocoel, an arthropod's internal cavity, through which its haemolymph – analogue of blood – circulates, accommodates its interior Organ (anatomy), organs; it has an open circulatory system. Like their exteriors, the internal or ...
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Snails
A snail is, in loose terms, a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name ''snail'' is also used for most of the members of the molluscan class Gastropoda that have a coiled shell that is large enough for the animal to retract completely into. When the word "snail" is used in this most general sense, it includes not just land snails but also numerous species of sea snails and freshwater snails. Gastropods that naturally lack a shell, or have only an internal shell, are mostly called ''slugs'', and land snails that have only a very small shell (that they cannot retract into) are often called ''semi-slugs''. Snails have considerable human relevance, including as food items, as pests, and as vectors of disease, and their shells are used as decorative objects and are incorporated into jewelry. The snail has also had some cultural significance, tending to be associated with lethargy. The snai ...
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Earthworms
An earthworm is a terrestrial invertebrate that belongs to the phylum Annelida. They exhibit a tube-within-a-tube body plan; they are externally segmented with corresponding internal segmentation; and they usually have setae on all segments. They occur worldwide where soil, water, and temperature allow. Earthworms are commonly found in soil, eating a wide variety of organic matter. This organic matter includes plant matter, living protozoa, rotifers, nematodes, bacteria, fungi, and other microorganisms. An earthworm's digestive system runs the length of its body. An earthworm respires (breathes) through its skin. It has a double transport system made of coelomic fluid that moves within the fluid-filled coelom and a simple, closed circulatory system. It has a central and peripheral nervous system. Its central nervous system consists of two ganglia above the mouth, one on either side, connected to a nerve running along its length to motor neurons and sensory cells in each se ...
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Orangutan
Orangutans are great apes native to the rainforests of Indonesia and Malaysia. They are now found only in parts of Borneo and Sumatra, but during the Pleistocene they ranged throughout Southeast Asia and South China. Classified in the genus ''Pongo'', orangutans were originally considered to be one species. From 1996, they were divided into two species: the Bornean orangutan (''P. pygmaeus'', with three subspecies) and the Sumatran orangutan (''P. abelii''). A third species, the Tapanuli orangutan (''P. tapanuliensis''), was identified definitively in 2017. The orangutans are the only surviving species of the subfamily Ponginae, which diverged genetically from the other hominids (gorillas, chimpanzees, and humans) between 19.3 and 15.7 million years ago. The most arboreal of the great apes, orangutans spend most of their time in trees. They have proportionally long arms and short legs, and have reddish-brown hair covering their bodies. Adult males weigh about , while female ...
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Ungulates
Ungulates ( ) are members of the diverse clade Ungulata which primarily consists of large mammals with hooves. These include odd-toed ungulates such as horses, rhinoceroses, and tapirs; and even-toed ungulates such as cattle, pigs, giraffes, camels, sheep, deer, and hippopotamuses. Cetaceans such as whales, dolphins, and porpoises are also classified as even-toed ungulates, although they do not have hooves. Most terrestrial ungulates use the hoofed tips of their toes to support their body weight while standing or moving. The term means, roughly, "being hoofed" or "hoofed animal". As a descriptive term, "ungulate" normally excludes cetaceans as they do not possess most of the typical morphological characteristics of other ungulates, but recent discoveries indicate that they were also descended from early artiodactyls. Ungulates are typically herbivorous and many employ specialized gut bacteria to allow them to digest cellulose. Some modern species, such as pigs, are omnivorous, ...
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Parasite
Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has characterised parasites as "predators that eat prey in units of less than one". Parasites include single-celled protozoans such as the agents of malaria, sleeping sickness, and amoebic dysentery; animals such as hookworms, lice, mosquitoes, and vampire bats; fungi such as Armillaria mellea, honey fungus and the agents of ringworm; and plants such as mistletoe, dodder, and the Orobanchaceae, broomrapes. There are six major parasitic Behavioral ecology#Evolutionarily stable strategy, strategies of exploitation of animal hosts, namely parasitic castration, directly transmitted parasitism (by contact), wikt:trophic, trophicallytransmitted parasitism (by being eaten), Disease vector, vector-transmitted parasitism, parasitoidism, and micropreda ...
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Species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche. In addition, paleontologists use the concept of the chronospecies since fossil reproduction cannot be examined. The most recent rigorous estimate for the total number of species of eukaryotes is between 8 and 8.7 million. However, only about 14% of these had been described by 2011. All species (except viruses) are given a two-part name, a "binomial". The first part of a binomial is the genus to which the species belongs. The second part is called the specific name or the specific epithet (in botanical nomenclature, also sometimes i ...
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Gapeworm
A gapeworm (''Syngamus trachea''), also known as a red worm and forked worm, is a parasitic nematode worm that infects the tracheas of certain birds. The resulting disease, known as "gape" occurs when the worms clog and obstruct the airway. The worms are also known as "red worms" or "forked worms" due to their red color and the permanent procreative conjunction of males and females. Gapeworms are common in young, domesticated chickens and turkeys. When the female gapeworm lays her eggs in the trachea of an infected bird, the eggs are coughed up, swallowed, then defecated. Birds are infected with the parasite when they consume the eggs found in the feces, or by consuming a transport host such as earthworms, snails (''Planorbarius corneus'', '' Bithynia tentaculata'' and others) Morphology Males and females are joined together in a state of permanent copulation forming, a Y shape (''forked worms''). They are also known as the ''red worms'' because of their color. Females (up ...
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