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Acanthocheilonema
''Acanthocheilonema'' is a genus within the family Onchocercidae which comprises mainly tropical parasitic worms. Cobbold created the genus ''Acanthocheilonema'' with only one species, ''Acanthocheilonema dracunculoides'', which was collected from aardwolf (''Proteles cristatus'': Hyaenidae) in the region of South Africa in the nineteenth century. These parasites have a wide range of mammalian species as hosts, including members of Carnivora, Macroscelidea, Rodentia, Pholidota, Edentata, and Marsupialia. Many species among several genera of filarioids exhibit a high degree of endemicity in studies done on mammalian species in Japan. However, no concrete evidence has confirmed any endemic species in the genus ''Acanthocheilonema''. There are about fifteen well characterized parasitic species found in genus ''Acanthocheilonema''. ''A. delicata'' n. sp. (2013), ''A. dracunculoides'' (Cobbold 1870), ''A. filaria'' (Kou, 1958), ''A. mansonbahri'' (Nelson, 1961), ''A. mephitis'' (We ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acanthocheilonema Reconditum
''Acanthocheilonema'' is a genus within the family Onchocercidae which comprises mainly tropical parasitic worms. Cobbold created the genus ''Acanthocheilonema'' with only one species, ''Acanthocheilonema dracunculoides'', which was collected from aardwolf (''Proteles cristatus'': Hyaenidae) in the region of South Africa in the nineteenth century. These parasites have a wide range of mammalian species as hosts, including members of Carnivora, Macroscelidea, Rodentia, Pholidota, Edentata, and Marsupialia. Many species among several genera of filarioids exhibit a high degree of endemicity in studies done on mammalian species in Japan. However, no concrete evidence has confirmed any endemic species in the genus ''Acanthocheilonema''. There are about fifteen well characterized parasitic species found in genus ''Acanthocheilonema''. ''A. delicata'' n. sp. (2013), ''A. dracunculoides'' (Cobbold 1870), ''A. filaria'' (Kou, 1958), ''A. mansonbahri'' (Nelson, 1961), ''A. mephitis'' (We ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acanthocheilonema Odendhali
''Acanthocheilonema'' is a genus within the family Onchocercidae which comprises mainly tropical parasitic worms. Cobbold created the genus ''Acanthocheilonema'' with only one species, ''Acanthocheilonema dracunculoides'', which was collected from aardwolf (''Proteles cristatus'': Hyaenidae) in the region of South Africa in the nineteenth century. These parasites have a wide range of mammalian species as hosts, including members of Carnivora, Macroscelidea, Rodentia, Pholidota, Edentata, and Marsupialia. Many species among several genera of filarioids exhibit a high degree of endemicity in studies done on mammalian species in Japan. However, no concrete evidence has confirmed any endemic species in the genus ''Acanthocheilonema''. There are about fifteen well characterized parasitic species found in genus ''Acanthocheilonema''. ''A. delicata'' n. sp. (2013), ''A. dracunculoides'' (Cobbold 1870), ''A. filaria'' (Kou, 1958), ''A. mansonbahri'' (Nelson, 1961), ''A. mephitis'' (We ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acanthocheilonema Delicata
''Acanthocheilonema'' is a genus within the family Onchocercidae which comprises mainly tropical parasitic worms. Cobbold created the genus ''Acanthocheilonema'' with only one species, ''Acanthocheilonema dracunculoides'', which was collected from aardwolf (''Proteles cristatus'': Hyaenidae) in the region of South Africa in the nineteenth century. These parasites have a wide range of mammalian species as hosts, including members of Carnivora, Macroscelidea, Rodentia, Pholidota, Edentata, and Marsupialia. Many species among several genera of filarioids exhibit a high degree of endemicity in studies done on mammalian species in Japan. However, no concrete evidence has confirmed any endemic species in the genus ''Acanthocheilonema''. There are about fifteen well characterized parasitic species found in genus ''Acanthocheilonema''. ''A. delicata'' n. sp. (2013), ''A. dracunculoides'' (Cobbold 1870), ''A. filaria'' (Kou, 1958), ''A. mansonbahri'' (Nelson, 1961), ''A. mephitis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acanthocheilonema Dracunculoides
''Acanthocheilonema'' is a genus within the family Onchocercidae which comprises mainly tropical parasitic worms. Cobbold created the genus ''Acanthocheilonema'' with only one species, ''Acanthocheilonema dracunculoides'', which was collected from aardwolf (''Proteles cristatus'': Hyaenidae) in the region of South Africa in the nineteenth century. These parasites have a wide range of mammalian species as hosts, including members of Carnivora, Macroscelidea, Rodentia, Pholidota, Edentata, and Marsupialia. Many species among several genera of filarioids exhibit a high degree of endemicity in studies done on mammalian species in Japan. However, no concrete evidence has confirmed any endemic species in the genus ''Acanthocheilonema''. There are about fifteen well characterized parasitic species found in genus ''Acanthocheilonema''. ''A. delicata'' n. sp. (2013), ''A. dracunculoides'' (Cobbold 1870), ''A. filaria'' (Kou, 1958), ''A. mansonbahri'' (Nelson, 1961), ''A. mephitis'' (Webs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Onchocercidae
The Onchocercidae are a family of nematodes in the superfamily Filarioidea. This family includes some of the most devastating human parasitic diseases, such as lymphatic filariasis, onchocerciasis, loiasis, and other filariases. Representative genera and species The taxonomy of nematodes in the order Spirurida is still in a state of flux, and the family Onchocercidae contains around 70–80 genera. The following genera are included in the family Onchocercidae in the Wikispecies project and thEntrez Taxonomy Browser The latter is the taxonomic system used in the NCBI family of databases, including PubMed. *''Acanthocheilonema'' **''Acanthocheilonema viteae'' (parasite of gerbils in Eastern Europe, Iran, and North Africa) **''Acanthocheilonema reconditum'' (parasite of dogs) *''Brugia'' **''Brugia malayi'' (one cause of filariasis in humans) **'' Brugia pahangi'' (parasite of domestic cats and wild animals) **'' Brugia timori'' (cause of "timor filariasis" in humans) *'' Breinl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saint Paul Island (Alaska)
Saint Paul Island (russian: Остров Святого Павла, Ostrov Svyatogo Pavla) is the largest of the Pribilof Islands, a group of four Alaskan volcanic islands located in the Bering Sea between the United States and Russia. The city of St. Paul is the only residential area on the island. The three nearest islands to Saint Paul Island are Otter Island to the southwest, Saint George slightly to the south, and Walrus Island to the east. St. Paul Island has a land area of . St. Paul Island currently has one school (K-12, 76 students), one post office, one bar, one small store, and one church (the Russian Orthodox Sts. Peter and Paul Church), which is listed on the U.S. National Register of Historic Places. Geography and geology Saint Paul is the largest of the Pribilof Islands and lies the farthest north. With a width of at its widest point and a length of on its longest axis (which runs from northeast to southwest), it has a total area of . Volcanic in origin, Sain ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helminths
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. Some parasitic worms, including leeches and monogeneans, are ectoparasites thus, they are not classified as helminths, which are endoparasites. Parasitic worms live in and feed in living hosts. They receive nourishment and protection while disrupting their hosts' ability to absorb nutrients. This can cause weakness and disease in the host, and poses a global health and economic problem. Parasitic worms cannot reproduce entirely within their host's body; they have a life cycle that includes some stages that need to take place outside of the host. Helminths are able to survive in their mammalian hosts for many years due to their ability to manipulate the host's immune response by secreting immunomodulatory ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blubber
Blubber is a thick layer of vascularized adipose tissue under the skin of all cetaceans, pinnipeds, penguins, and sirenians. Description Lipid-rich, collagen fiber-laced blubber comprises the hypodermis and covers the whole body, except for parts of the appendages. It is strongly attached to the musculature and skeleton by highly organized, fan-shaped networks of tendons and ligaments, can comprise up to 50% of the body mass of some marine mammals during some points in their lives, and can range from thick in dolphins and smaller whales, to more than thick in some bigger whales, such as right and bowhead whales. However, this is not indicative of larger whales' ability to retain heat better, as the thickness of a whale's blubber does not significantly affect heat loss. More indicative of a whale's ability to retain heat is the water and lipid concentration in blubber, as water reduces heat-retaining capacities, and lipid increases them. Function Blubber is the primary fat st ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microfilariae
::''Microfilaria may also refer to an informal "collective group" genus name, proposed by Cobbold in 1882. While a convenient category for newly discovered microfilariae which can not be assigned to a known species because the adults are unknown, it is seldom used today.'' The microfilaria (plural microfilariae, sometimes abbreviated mf) is an early stage in the life cycle of certain parasitism, parasitic nematodes in the family Onchocercidae. In these species, the adults live in a tissue or the circulatory system of vertebrates (the parasitic life cycles, "definitive hosts"). They release microfilariae into the bloodstream of the vertebrate host. The microfilariae are taken up by blood-feeding arthropod Vector (epidemiology), vectors (the "parasitic life cycles, intermediate hosts"). In the intermediate host the microfilariae develop into infective larvae that can be transmitted to a new vertebrate host. The presence of microfilariae in the host bloodstream is called "microfila ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metazoan
Animals are multicellular, eukaryotic organisms in the 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#Bilateral symmetry, bilat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zalophus Californianus
The California sea lion (''Zalophus californianus'') is a coastal eared seal native to western North America. It is one of six species of sea lions. Its natural habitat ranges from southeast Alaska to central Mexico, including the Gulf of California. California sea lions are sexually dimorphic; males are larger than females, and have a thicker neck, and a protruding sagittal crest. They mainly haul-out on sandy or rocky beaches, but they also frequent manmade environments such as marinas and wharves. California sea lions feed on a number of species of fish and squid, and are preyed on by orcas and great white sharks. California sea lions have a polygynous breeding pattern. From May to August, males establish territories and try to attract females with which to mate. Females are free to move in between territories, and are not coerced by males. Mothers nurse their pups in between foraging trips. California sea lions communicate with numerous vocalizations, notably with barks and m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California Sea Lion
The California sea lion (''Zalophus californianus'') is a coastal eared seal native to western North America. It is one of six species of sea lions. Its natural habitat ranges from southeast Alaska to central Mexico, including the Gulf of California. California sea lions are sexually dimorphic; males are larger than females, and have a thicker neck, and a protruding sagittal crest. They mainly haul-out on sandy or rocky beaches, but they also frequent manmade environments such as marinas and wharves. California sea lions feed on a number of species of fish and squid, and are preyed on by orcas and great white sharks. California sea lions have a polygynous breeding pattern. From May to August, males establish territories and try to attract females with which to mate. Females are free to move in between territories, and are not coerced by males. Mothers nurse their pups in between foraging trips. California sea lions communicate with numerous vocalizations, notably with bar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
