chiasma

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Chiasma (genetics) - Wikipedia
In genetics, a chiasma ( pl. : chiasmata) is the point of contact, the physical link, between two (non-sister) chromatids belonging to homologous ... en.wikipedia.org
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CHIASMA Definition & Meaning - Merriam-Webster
1. an anatomical intersection or decussation; compare optic chiasma. 2. a cross-shaped configuration of paired chromatids visible in the diplotene stage of ... www.merriam-webster.com
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Chiasm - Wikipedia
A nerval chiasm, where either two nerves cross in the body midline (e.g. Optic chiasma) · A crossing of fibres inside a nerve reversing their mapping · A ... en.wikipedia.org
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chiasma
chiasma Anat. (kaɪˈæzmə) Also chiasm. [mod.L., a. Gr. χίασµα arrangement of two lines (sticks, etc.) crossed like the letter Χ (χῖ), decussation; χιάζ-ειν to mark with or like a chī (Χ, χ).] 1. Intercrossing or decussation. optic chiasma: the crossing or decussation of the fibres of the optic nerves... Oxford English Dictionary
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CHIASMA Definition & Meaning - Dictionary.com
Chiasma definition: a crossing or decussation, as that of the optic nerves at the base of the brain.. See examples of CHIASMA used in a sentence. www.dictionary.com
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Definition of chiasma - NCI Dictionary of Cancer Terms
An anatomy term for an X-shaped crossing (for example, of nerves or tendons). Search NCI's Dictionary of Cancer Terms. Starts with. Contains. Browse:. www.cancer.gov
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Chiasma (genetics)
In meiosis, absence of a chiasma generally results in improper chromosomal segregation and aneuploidy. Chiasma frequency was scored at the later diplotene-diakinesis stages of meiosis. wikipedia.org
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Chiasmata promote monopolar attachment of sister chromatids and ...
Yukinobu Hirose , Ren Suzuki, Tatsunori Ohba, Yumi Hinohara, Hirotada Matsuhara, Masashi Yoshida, Yuta Itabashi, Hiroshi Murakami, ... pubmed.ncbi.nlm.nih.gov
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CHIASMA | definition in the Cambridge English Dictionary
an instance of two structures in the body crossing and forming an X, especially the optic chiasma (= the connection in the brain between the two optic nerves) dictionary.cambridge.org
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Chiasmata - an overview | ScienceDirect Topics
Chiasma refers to a cross-shaped structure observed between non-sister half-chromosomes or chromatids during meiosis, corresponding to the site of crossing- ... www.sciencedirect.com
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Chiasma - Etymology, Origin & Meaning
Originating from Greek "khiasma" meaning "two things placed crosswise," chiasma denotes an anatomical crossing or intersection, especially in cytology since ... www.etymonline.com
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chiasmal
chiasmal, a. (kaɪˈæzməl) [f. chiasma or chiasmus or their Gr. originals + -al1.] Of the nature of chiasm or decussation.1879 Rutley Stud. Rocks xiv. 292 The chiasmal interpositions which characterise this mineral. Oxford English Dictionary
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Kiasma
Its name kiasma, Finnish for chiasma, alludes to the basic conceptual idea of its architect, Steven Holl. The competition results were announced in 1993, and the winning proposal, titled Chiasma by Steven Holl, was selected from the 516 submitted entries. wikipedia.org
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chiasm
ˈchiasm Anglicized f. chiasma, chiasmus.1870 Lightfoot Ep. Philipp. (1885) 89 The order of the clauses is reversed by the figure called chiasm. Oxford English Dictionary
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chiasmatic
chiasmatic, a. (kaɪæzˈmætɪk) [f. chiasma n.: see -atic.] 1. Anat. Of or pertaining to the optic chiasma.1912 T. L. Stedman Med. Dict. (ed. 2) 169/2 Chiasmatic.., relating to the optic chiasm. 1930 Arch. Ophthalm. III. 507 These tumors, as previously pointed out, have their point of dural attachment ... Oxford English Dictionary
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