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Qu'est-ce (qui) est nuclear spindle - définition
ARRAY OF MICROTUBULES AND ASSOCIATED MOLECULES THAT FORMS BETWEEN OPPOSITE POLES OF A EUKARYOTIC CELL DURING MITOSIS OR MEIOSIS AND SERVES TO MOVE THE DUPLICATED CHROMOSOMES APART
Spindle fiber; Mitotic apparatus; Nuclear spindle; Mitotic spindles; Metaphase plate; Spindle fibers; Mitotic spindle apparatus; Meiotic spindle; Spindle pole; Mitotic spindle; The spindle apparatus; The Spindle apparatus; Spindle (cell); Anastral microtubules; Spindle poles; Karyokinetic spindle
![This diagram depicts the organization of a typical mitotic spindle found in animal cells. Chromosomes are attached to [[kinetochore]] [[microtubule]]s via a multiprotein complex called the kinetochore. Polar microtubules interdigitate at the spindle midzone and push the spindle poles apart via [[motor protein]]s. [[Astral microtubules]] anchor the spindle poles to the [[cell membrane]]. Microtubule polymerization is nucleated at the [[microtubule organizing center]].](https://commons.wikimedia.org/wiki/Special:FilePath/Spindle apparatus.svg?width=200 "This diagram depicts the organization of a typical mitotic spindle found in animal cells. Chromosomes are attached to [[kinetochore]] [[microtubule]]s via a multiprotein complex called the kinetochore. Polar microtubules interdigitate at the spindle midzone and push the spindle poles apart via [[motor protein]]s. [[Astral microtubules]] anchor the spindle poles to the [[cell membrane]]. Microtubule polymerization is nucleated at the [[microtubule organizing center]].")
Spindle apparatus
In cell biology, the spindle apparatus refers to the cytoskeletal structure of eukaryotic cells that forms during cell division to separate sister chromatids between daughter cells. It is referred to as the mitotic spindle during mitosis, a process that produces genetically identical daughter cells, or the meiotic spindle during meiosis, a process that produces gametes with half the number of chromosomes of the parent cell.
Spindle (disc packaging)
PLASTIC CONTAINER FOR PACKAGING OPTICAL DISCS
Spindle (disk packaging)
In the context of computer supplies, the word spindle or cakebox may refer to a plastic container for packaging optical discs. It typically consists of a round base with a vertical rod (which matches the center holes of the disks) and a cylindrical cover made from polypropylene plastic.
Spindle whorl
![''Spindle Whorl (Sulsultin)'', Chemainus, Coast Salish (Native American), 19th century, [[Brooklyn Museum]]](https://commons.wikimedia.org/wiki/Special:FilePath/Spindle Whorl (Sulsultin), 19th century, 05.588.7382.jpg?width=200 "''Spindle Whorl (Sulsultin)'', Chemainus, Coast Salish (Native American), 19th century, [[Brooklyn Museum]]")
![Ancient Greek]] spindle whorls, 10th century BC, [[Kerameikos]] Archaeological Museum, Athens](https://commons.wikimedia.org/wiki/Special:FilePath/1017_-_Keramikos_Museum,_Athens_-_Spindle-whirls,_10th_century_BC_-_Photo_by_Giovanni_Dall'Orto,_Nov_12.jpg?width=200 "Ancient Greek]] spindle whorls, 10th century BC, [[Kerameikos]] Archaeological Museum, Athens")
![[[Muisca]] spindle whorl (500AD – 1500AD). [[Archaeology Museum, Sogamoso]], Colombia](https://commons.wikimedia.org/wiki/Special:FilePath/Muisca spindle whorl.jpg?width=200 "[[Muisca]] spindle whorl (500AD – 1500AD). [[Archaeology Museum, Sogamoso]], Colombia")
![Björkö]], Sweden](https://commons.wikimedia.org/wiki/Special:FilePath/Object from the exhibition We call them Vikings produced by The Swedish History Museum (13618236425).jpg?width=200 "Björkö]], Sweden")
WEIGHT TO INCREASE THE ROTATION OF A SPINDLE
Wharve; Spindle-whorl; Spindle whorls
A spindle whorl is a disc or spherical object fitted onto the spindle to increase and maintain the speed of the spin. Historically, whorls have been made of materials like amber, antler, bone, ceramic, coral, glass, stone, metal (iron, lead, lead alloy), and wood (oak).
Wikipédia
Spindle apparatus
In cell biology, the spindle apparatus is the cytoskeletal structure of eukaryotic cells that forms during cell division to separate sister chromatids between daughter cells. It is referred to as the mitotic spindle during mitosis, a process that produces genetically identical daughter cells, or the meiotic spindle during meiosis, a process that produces gametes with half the number of chromosomes of the parent cell.
Besides chromosomes, the spindle apparatus is composed of hundreds of proteins. Microtubules comprise the most abundant components of the machinery.
