In cell biology, the spindle apparatus is the cytoskeletal structure of eukaryotic cells that forms during cell division to separate sister chromatids...
28 KB (3,300 words) - 12:32, 30 September 2024
Microtubule organizing center (redirect from Microtubule apparatus)
flagella and cilia and the organization of the mitotic and meiotic spindle apparatus, which separate the chromosomes during cell division. The MTOC is...
9 KB (1,113 words) - 23:36, 11 December 2023
hard wood was used to make spindles Spindle apparatus or mitotic spindle, a cellular structure in cell biology Muscle spindle, stretch receptors within...
2 KB (248 words) - 12:21, 20 November 2022
Prophase (section Formation of the mitotic spindle)
gather at opposite poles and begin to form the spindle apparatus at locations called foci. The mitotic spindle is of great importance in the process of mitosis...
19 KB (2,101 words) - 03:23, 30 September 2024
A spindle is a straight spike, usually made from wood, used for spinning, twisting fibers such as wool, flax, hemp, cotton into yarn. It is often weighted...
17 KB (2,164 words) - 12:54, 20 November 2024
Cytokinesis (section Anaphase spindle reorganization)
of nuclear division in mitosis and meiosis. During cytokinesis the spindle apparatus partitions and transports duplicated chromatids into the cytoplasm...
28 KB (3,585 words) - 09:51, 18 August 2024
in opposite directions and attach to opposite poles of the mitotic spindle apparatus. Following the transition from metaphase to anaphase, the sister chromatids...
65 KB (7,831 words) - 11:10, 29 October 2024
fibroid polyp Pigmented spindle cell nevus Spindle cell carcinoma Spindle cell lipoma Spindle cell sarcoma Spindle apparatus (part of a cell) This disambiguation...
484 bytes (90 words) - 15:51, 13 June 2024
eccentric spindles of "pleuromitosis", in which mitotic apparatus has bilateral symmetry. Finally, a third criterion is the location of the central spindle in...
71 KB (7,317 words) - 19:25, 22 November 2024
the initial phase when spindle fibers appear that function to move the chromosomes toward opposite poles. This spindle apparatus consists of microtubules...
6 KB (784 words) - 12:11, 11 August 2023
the spindle apparatus growing from the centrosome to attach to the kinetochores on the sister chromatids. Stable attachment of the spindle apparatus to...
41 KB (4,735 words) - 04:03, 18 November 2024
Meiosis (section Meiotic spindle formation)
division, the homologs are segregated to separate daughter cells by the spindle apparatus. The cells then proceed to a second division without an intervening...
64 KB (7,478 words) - 23:27, 22 August 2024
may fail to 'notice' that a chromosome pair is not lined with the spindle apparatus. In such a case, most chromosomes would separate normally (with one...
37 KB (3,558 words) - 21:58, 30 October 2024
binary fission in prokaryotes takes place without the formation of a spindle apparatus on the cell. Before binary fission, DNA in the bacterium is tightly...
133 KB (13,837 words) - 17:58, 9 November 2024
arrested in the metaphase and will so remain until fertilization. The spindle apparatus of the second meiotic division appears at the time of ovulation. If...
30 KB (3,105 words) - 23:34, 22 November 2024
physical contact with spindle apparatus through astral microtubules. Tricellular junctions exert a pulling force on the spindle apparatus and serve as a geometrical...
20 KB (2,277 words) - 03:36, 21 November 2024
absolutely required for correct positioning and orientation of the mitotic spindle apparatus, and are thus involved in determining the cell division site based...
5 KB (631 words) - 23:27, 14 November 2024
homologous chromosomes (bivalents, or tetrads) are properly aligned to the spindle apparatus. Only then, SAC releases its inhibition of the anaphase promoting...
25 KB (2,857 words) - 18:11, 18 May 2024
in cells undergoing mitosis. During mitosis, clathrin binds to the spindle apparatus, in complex with two other proteins: TACC3 and ch-TOG/CKAP5. Clathrin...
22 KB (2,093 words) - 02:41, 12 November 2024
eukaryotic cells, binary fission takes place without the formation of a spindle apparatus on the cell.[citation needed] Like in mitosis (and unlike in meiosis)...
20 KB (2,184 words) - 00:26, 10 November 2024
the cell during anaphase of mitosis or meiosis due to a defective spindle apparatus. Consequently, both daughter cells are aneuploid: one is missing one...
315 KB (29,380 words) - 23:23, 22 October 2024
1884, the rule emphasizes the cell shape as a default mechanism of spindle apparatus orientation. Hertwig's rule predicts cell division orientation, which...
6 KB (703 words) - 10:02, 25 April 2023
recombination events between homologous chromosomes. meiotic spindle See spindle apparatus. melting The denaturation of a double-stranded nucleic acid...
283 KB (24,915 words) - 23:43, 22 November 2024
intracellular transport such as axonal transport and in the formation of the spindle apparatus and the separation of the chromosomes during mitosis and meiosis....
13 KB (1,538 words) - 23:48, 17 April 2024
dynein – also used for other functions) as an extension of the mitotic spindle apparatus. The connection can still be seen, first in the various early-branching...
14 KB (1,718 words) - 21:57, 6 November 2024
of the spindle apparatus towards the end of telophase, in which sister chromatids are identically separated at the opposite sides of the spindle forming...
8 KB (852 words) - 02:59, 11 December 2023
asbestos fiber and the chromosomes or structural proteins of the spindle apparatus can induce complex abnormalities. The most common abnormality is monosomy...
96 KB (10,661 words) - 09:42, 25 November 2024
irregularities in kinetochore proteins or their assembly, a dysfunctional spindle apparatus, or flawed anaphase checkpoint genes. Micronuclei can contribute to...
14 KB (1,955 words) - 16:47, 13 February 2024
following the formation of a tripolar (rather than the normal bipolar) spindle apparatus. Heterogonesis allows for chromosomal segregation to occur in a dispermic...
2 KB (247 words) - 10:14, 25 April 2023
contributing to discovery of the attachment of chromosomes to the mitotic spindle apparatus. Brinkley earned his undergraduate degree in general biology from...
5 KB (526 words) - 05:10, 22 November 2024