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单词 anlage
释义

Definition of anlage in English:

anlage

nounPlural anlagenˈanlɑːɡəˈanläɡə
Biology
  • The rudimentary basis of a particular organ or other part, especially in an embryo.

    〔生〕原基;胚基

    Example sentencesExamples
    • Mori suggested that atlantomastoideus, obliquus capitis superior, and longissimus capitis arise from the same anlage based on their innervation by the dorsal division of C1.
    • Evolutionary morphologists such as Haeckel and Gegenbaur argued that true homology can only exist between two parts that have developed from the same anlage.
    • Spemann found that in certain amphibian species transplanted pieces of epidermis that were not part of the anlage of the lens also could be induced to produce a lens.
    • It has been noted that the resulting split of the visual anlage resembles the morphogenesis of the vertebrate anterior plate.
    • The earliest expression of Hox genes for these arthropods is in the already formed segmental anlage, in the presumptive position of the developing segment.
    • It may be that segment anlagen are produced in a multiplicative manner, with the result that the final number of total segments is always even.
    • Mutant clones in the notum anlagen of the wing imaginal disc produce alterations in the pattern of medial thoracic bristles and a strong dorsal thoracic cleft.
    • Each scalid appears as a spinose anlage (= protoscalid) and differentiates in the next stage.
    • In extant amniotes, however, the VN organ is situated too close to the midline to leave a mark on the maxilla, as is the anlagen of the organ in crocodilian and avian embryos.
    • The basicranial articulation was no longer the anchor for the palate, and the palatoquadrate was functionally replaced by its dermal anlagen, the maxillae.
    • These events begin early in the life of the fly when a small set of cells are set aside to form the eye anlagen during early embryogenesis.
    • The MAC chromosomes are generated by fragmentation of the germline chromosomes in the developing macronuclear anlagen during conjugation, but the molecular mechanism remains to be elucidated.
    • The initial anlage of the atherosclerotic plaque seen in adults can be seen as a fatty streak on the surface of the arterial wall during infancy.
    • Isolation of ovarian anlage result in normal follicle-bearing ovarian tissue.
    • While all of the stages are linked to specific places, the fourth stage, which he labels ‘terrestrial anlage,’ is especially place-dependent because it is the time when the child learns the names of things in its immediate home territory.
    • Both anlagen persist in individual exconjugants, their cell mass increasing steadily for many days after conjugation was initiated.
    • In the terminal, proctodeal region of stage 10 embryos, bft transcripts appear in endodermal cells corresponding to the anlagen of the posterior spiracles, which also express Cut.
    • The segmental anlage of the larval and adult body plan is produced by a growth zone located just anterior to the pygidium.
    • Studies on dechorionated eggs have shown that segmental anlagen are apparent quite early in embryonic development, though of course considerably after the end of the cleavage stage.
    • The anlagen for the eye imaginal disc arise as a group of about 20 cells in the embryo and proliferate through the first and second instar larval stages.

Origin

Late 19th century: from German, 'foundation, basis'.

Definition of anlage in US English:

anlage

nounˈanläɡə
Biology
  • The rudimentary basis of a particular organ or other part, especially in an embryo.

    〔生〕原基;胚基

    Example sentencesExamples
    • The MAC chromosomes are generated by fragmentation of the germline chromosomes in the developing macronuclear anlagen during conjugation, but the molecular mechanism remains to be elucidated.
    • The basicranial articulation was no longer the anchor for the palate, and the palatoquadrate was functionally replaced by its dermal anlagen, the maxillae.
    • The initial anlage of the atherosclerotic plaque seen in adults can be seen as a fatty streak on the surface of the arterial wall during infancy.
    • Mutant clones in the notum anlagen of the wing imaginal disc produce alterations in the pattern of medial thoracic bristles and a strong dorsal thoracic cleft.
    • Mori suggested that atlantomastoideus, obliquus capitis superior, and longissimus capitis arise from the same anlage based on their innervation by the dorsal division of C1.
    • In extant amniotes, however, the VN organ is situated too close to the midline to leave a mark on the maxilla, as is the anlagen of the organ in crocodilian and avian embryos.
    • It has been noted that the resulting split of the visual anlage resembles the morphogenesis of the vertebrate anterior plate.
    • Isolation of ovarian anlage result in normal follicle-bearing ovarian tissue.
    • Studies on dechorionated eggs have shown that segmental anlagen are apparent quite early in embryonic development, though of course considerably after the end of the cleavage stage.
    • The anlagen for the eye imaginal disc arise as a group of about 20 cells in the embryo and proliferate through the first and second instar larval stages.
    • While all of the stages are linked to specific places, the fourth stage, which he labels ‘terrestrial anlage,’ is especially place-dependent because it is the time when the child learns the names of things in its immediate home territory.
    • It may be that segment anlagen are produced in a multiplicative manner, with the result that the final number of total segments is always even.
    • Spemann found that in certain amphibian species transplanted pieces of epidermis that were not part of the anlage of the lens also could be induced to produce a lens.
    • These events begin early in the life of the fly when a small set of cells are set aside to form the eye anlagen during early embryogenesis.
    • Each scalid appears as a spinose anlage (= protoscalid) and differentiates in the next stage.
    • Evolutionary morphologists such as Haeckel and Gegenbaur argued that true homology can only exist between two parts that have developed from the same anlage.
    • In the terminal, proctodeal region of stage 10 embryos, bft transcripts appear in endodermal cells corresponding to the anlagen of the posterior spiracles, which also express Cut.
    • The earliest expression of Hox genes for these arthropods is in the already formed segmental anlage, in the presumptive position of the developing segment.
    • The segmental anlage of the larval and adult body plan is produced by a growth zone located just anterior to the pygidium.
    • Both anlagen persist in individual exconjugants, their cell mass increasing steadily for many days after conjugation was initiated.

Origin

Late 19th century: from German, ‘foundation, basis’.

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更新时间:2024/11/11 6:17:01