Trichosphaerium Sieboldi
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Trichosphaerium Sieboldi
''Trichosphaerium'' is a genus of amoebozoan protists that present extraordinary morphological transformations, both in size and shape, during their life cycle. They can present a test that may or may not be covered in spicules. They are related to the family Microcoryciidae, which contains other amoebae with tests, within the clade Corycidia of the phylum Amoebozoa. Morphology ''Trichosphaerium'' is a genus of amoebae characterized from other Amoebozoa by a multiporous test and a specialized non-motile pseudopodium, known as a dactylopodium, shaped like a digit. The dactylopodium is considered a sensory structure. Its morphology, behavior and life cycle are extraordinary in comparison with other protists. During its poorly understood life cycle, ''Trichosphaerium'' undergoes dramatic changes in shape and size. They can grow from as small as 10 μm to giant cell sizes of over 1 mm, observable by the naked eye. They can display such varied recognizable morphotypes that they c ...
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Corycidia
Corycidia (alternatively spelt Corycida) is a clade of amoeboid protists within the eukaryotic supergroup Amoebozoa. It contains all amoebae of the families Microcoryciidae, which was previously regarded as Arcellinida (an order of testate amoebae), and Trichosphaeriidae, which contains the sole genus '' Trichosphaerium''. Taxonomy Corycidia is defined as the least inclusive clade containing '' Amphizonella'', '' Diplochlamys'' and '' Trichosphaerium''. It was discovered in 2017 through a phylogenomic study by Senghuo Kang and coauthors, published in the journal ''Molecular Biology and Evolution''. It is supported by independent analyses. As of 2019, it is accepted by the International Society of Protistologists as part of the modern cladistic classification of eukaryotes, although under the alternative spelling Corycida. The name Corycidia is derived , referring to the "leathery" test that members of the clade have. Evolution Corycidia is located in the eukaryotic s ...
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Trichosphaerium 2c Microbiolres-14
''Trichosphaerium'' is a genus of amoebozoan protists that present extraordinary morphological transformations, both in size and shape, during their life cycle. They can present a test that may or may not be covered in spicules. They are related to the family Microcoryciidae, which contains other amoebae with tests, within the clade Corycidia of the phylum Amoebozoa. Morphology ''Trichosphaerium'' is a genus of amoebae characterized from other Amoebozoa by a multiporous test and a specialized non-motile pseudopodium, known as a dactylopodium, shaped like a digit. The dactylopodium is considered a sensory structure. Its morphology, behavior and life cycle are extraordinary in comparison with other protists. During its poorly understood life cycle, ''Trichosphaerium'' undergoes dramatic changes in shape and size. They can grow from as small as 10 μm to giant cell sizes of over 1 mm, observable by the naked eye. They can display such varied recognizable morphotypes that they c ...
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Gamete
A gamete ( ) is a Ploidy#Haploid and monoploid, haploid cell that fuses with another haploid cell during fertilization in organisms that Sexual reproduction, reproduce sexually. Gametes are an organism's reproductive cells, also referred to as sex cells. The name gamete was introduced by the German cytologist Eduard Strasburger in 1878. Gametes of both mating individuals can be the same size and shape, a condition known as isogamy. By contrast, in the majority of species, the gametes are of different sizes, a condition known as anisogamy or heterogamy that applies to humans and other mammals. The human ovum has approximately 100,000 times the volume of a single human sperm cell. The type of gamete an organism produces determines its sex and sets the basis for the sexual roles and sexual selection. In humans and other species that produce two Morphology (biology), morphologically distinct types of gametes, and in which Gonochorism, each individual produces only one type, a femal ...
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