All Free. Asters do not form during mitosis in plants.Astral rays, composed of microtubules, radiate from the centrosphere and look like a cloud. After this split there are about 180 species within the genus. 1. a flowering plant [n -S] Medical Definition of Aster. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Aster linarifolius, stiff aster - wiry tufted perennial of the eastern United States with stiff erect rough stems, linear leaves and large violet flowers Aster linosyris , goldilocks , goldilocks aster , Linosyris vulgaris - early-flowering perennial of southern and southeastern Europe with flower heads resembling those of goldenrod Noun. 2). has the appropriate complement of chromosomes. The first dinosaurs were presu.. (noun) Plural form of aster. How do you use 'roid in a sentence? During prophase, two aster-covered centrosomes migrate to opposite sides of the nucleus in preparation of mitotic spindle formation. aster: On-Line Biology Book: GLOSSARY [home, info] ASTER: A Dictionary of Quaternary Acronyms and Abbreviations [home, info] Slang (1 matching dictionary) Aster: Urban Dictionary [home, info] Tech (1 matching dictionary) ASTER: GEOGRAPHIC INFORMATION SYSTEMS, CARTOGRAPHY, AND REMOTE SENSING [home, info] (Note: See asters for more definitions.) An aster is a cellular structure shaped like a star, consisting of a centrosome and its associated microtubules during the early stages of mitosis in an animal cell. The content on this website is for information only. See also China aster 2 Biology Definition The brain stem (or brainstem) contains three structures- the midbrain, pons, and medulla oblongata- that connects the brain to the spinal cord.It has several roles in the autonomic nervous system, with ascending pathways to receive sensory information for brain processing and descending pathways to send motor information back to the body. Definitions of aster family, synonyms, antonyms, derivatives of aster family, analogical dictionary of aster family (English) Webmaster Solution Alexandria A windows (pop-into) of information (full-content of Sensagent) triggered by double-clicking any word on your ... and the word aster comes from the Latin word for star. Save Save Save. They are absolutely required for correct positioning and orientation of the mitotic spindle apparatus, and are thus involved in determining the cell division site based on the geometry and polarity of the cells. Cell Biology a structure formed in a cell during mitosis, composed of astral rays radiating about the centrosome. The aster flower is a member of the larger Asteraceae family of flowering plants, which includes over 20,000 different species. Supplement In cells, the role of astral microtubules in mitosis is to ensure correct positioning and orientation of the mitotic spindle apparatus based on cell polarity. All Free. An anabolic steroid. From Phys.Org. (bot.) âthose guys are all on 'roidsâ âYep, kids - about 30 percent of the roid users were under 20.â âI'm on steroids, and one of the side effects is asâ¢ter (asâ²tÉr), USA pronunciation n. Plant Biology any composite plant of the genus Aster, having rays varying from white or pink to blue around a yellow disk. Aster Aweke, Ethiopian singer Aster (automobile), a British automobile manufactured between 1922 and 1930 Aster CT-80, an early Dutch eight-bit home computer MBDA Aster surface-to-air missile Aster (cell biology), a star-shaped structure with fibers This allows the cell to divide properly with each daughter cell containing full replicas of chromosomes. Plant Biology a plant of some allied genus, as the China aster. Aster is a genus of perennial flowering plants in the family Asteraceae. Medical Definition of aster : a system of microtubules arranged in rays around a centriole at either end of the mitotic or meiotic spindle The first stage in the formation of the mitotic spindle in a typical animal cell is the appearance of microtubules in a "sunburst" arrangement, or aster, around each centrosome during early prophase. Astral rays are one variant of microtubule which comes out of the centrosome; others include kinetochore microtubules and polar microtubules. A Astral rays, composed of microtubules, radiate from the centrosphere and look like a cloud. (biology) A star-shaped structure formed during the mitosis of a cell. Reiner, Dr. Susann Annette (S.R.) The aster function is uncertain, but does not seem to be â¦ :221 Asters do not form during mitosis in plants. Plant Biology any composite plant of the genus Aster, having rays varying from white or pink to blue around a yellow disk. aster - WordReference English dictionary, questions, discussion and forums. Any of various plants of the genus Aster or closely related genera in the composite family, having radiate flower heads with white, pink, or violet rays and usually a yellow disk. Views expressed here do not necessarily reflect those of Biology Online, its staff, or its partners. ¹. (biology) A star -shaped structure formed during the mitosis of a cell. aster Definition: Search for: Biology Glossary search by EverythingBio.com radiating formation of microtubules at each pole of a spindle apparatus, formed during â¦ asâ¢ter (asâ²tÉr), USA pronunciation n. Plant Biology any composite plant of the genus Aster, having rays varying from white or pink to blue around a yellow disk. The turn-over rate of this population of microtubules is higher than any other population. Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the.. Human activities in arid urban environments can affect rainfall and water cycle. Cyclin definition is - any of a group of proteins active in controlling the cell cycle and in initiating DNA synthesis. Arste, rates, resat, setar, stare, tares, tarse, taser, Taser, tears, teras. These dyneins have their light chains (static portion) attached to the cell membrane, and their globular parts (dynamic portions) attached to the microtubules. As a result, the motor protein draws the minus ends of microtubules together, creating star-like clusters called asters. Biology A star-shaped structure formed in the cytoplasm of a cell and having raylike fibers that surround the centrosome during mitosis. https://en.wikipedia.org/w/index.php?title=Aster_(cell_biology)&oldid=987413848, Creative Commons Attribution-ShareAlike License, This page was last edited on 6 November 2020, at 21:50. a star-shaped figure of achromatic substance found chiefly in cells dividing by mitosis. Aster, a genus of flowering plants List of Aster synonyms, other genera formerly included in Aster and still called asters in English Aster (cell biology), a cellular structure shaped like a star, formed around each centrosome during mitosis Aster Glacier 1218 Aster 'asth`r star.
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