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chiasma

n. 交叉

交叉

WordNet (r) 3.0 (2006) (WordNet)

chiasma
n 1: an intersection or crossing of two tracts in the form of
the letter X [synonym: {chiasma}, {chiasm}, {decussation}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Chiasm \Chi"asm\ (k[imac]"[a^]z'm), Chiasma \Chi*as"ma\
(k[-i]*[a^]z"m[.a]), n. [NL. chiasma, fr. Gr. chi`asma two
lines placed crosswise, fr. ? to mark with a [chi].] (Anat.)
A commissure; an intersection or crossing of two tracts;
especially, the optic commissure, or crucial union of the
optic nerves. -- {Chi*as"mal}, a..
[1913 Webster] chiasmatic
chiasmal

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chiasma	查看　chiasma　在Google字典中的解释	Google英翻中〔查看〕
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英文字典中文字典相关资料:

Chiasma (genetics) - Wikipedia
Chiasma (genetics) Crossing over during meiosis, with chiasma shown In genetics, a chiasma (pl : chiasmata) is the point of contact, the physical link, between two (non-sister) chromatids belonging to homologous chromosomes
Chiasmata- Definition, Formation, Structure, Significances
Chiasmata (singular: chiasma, from the Greek, meaning “X-shaped cross”) is the point of contact that occurs in the Prophase I pachytene phase and links two non-sister chromatids belonging to homologous chromosomes together until Anaphase I of meiosis I cell division
CHIASMA Definition Meaning - Merriam-Webster
The meaning of CHIASMA is an anatomical intersection or decussation
glossary:chiasma [TNBGGA: The No Bullshit Guide to Genetic Analysis]
Chiasmata is the physical manifestation of crossing over plugin-autotooltip__default plugin-autotooltip_bigCrossing over: an event where non-sister chromatids exchange material with each other during meiosis I “Crossover” can be used as a synonym for chiasma
CHIASMA | definition in the Cambridge English Dictionary
Most of its fibers have their origins in the retina, and reach the chiasma through the optic nerves This is a further study on chiasma distribution in the human male
Chiasma | definition of chiasma by Medical dictionary
chiasma (pl chiasmata) the cross-shaped configuration produced during CROSSING OVER; for example, between CHROMATIDS in MEIOSIS
What is Chiasma ? - YouTube
In this video, we explain Chiasma — the point where chromosomes cross during meiosis You’ll learn the definition, meaning, etymology, and importance of chia
Chiasmata - BioNinja
Chiasmata are X-shaped points of attachment between two non-sister chromatids of a homologous pair Chiasmata form as a result of crossing over and hence non-sister chromatids should show an exchange of genetic material
In Genetics, what is a Chiasma? - AllTheScience
A chiasma is a point of contact between sister chromatids that forms during meiosis, a process of cell division and replication used by a wide variety of organisms At the chiasma, the chromatids can exchange genetic information, resulting in new combinations of genetic material
Chiasm - Wikipedia
A tendinous chiasm, the spot where two tendons cross The tendon of the flexor digitorum longus muscle forms two: the crural chiasm (with the tendon of the tibialis posterior muscle) and the plantar chiasm (with the tendon of the flexor hallucis longus muscle)

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