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英语解释 法语解释

chiasma

音标[kai'æzmә]

汉语翻译

n. 交叉
【医】 交叉

chiasma词型变化

名词复数:chiasmata 形容词:chiasmal 异体字:chiasm 

chiasma英语解释

名词 chiasma:

  1. an intersection or crossing of two tracts in the form of the letter X
    同义词:chiasm, decussation

chiasma详细解释

chi.as.ma

n.(名词)
【复数】 chi.as.ma.ta[-m…-t…] 或 chi.as.mas 也作 chi.asms
Anatomy A crossing or intersection of two tracts, as of nerves or ligaments.
【解剖学】 视神经交叉:如神经或韧带等两束相交或横断
Genetics The point of contact between paired chromatids during meiosis, resulting in a cross-shaped configuration and representing the cytological manifestation of crossing over.
【遗传学】 染色体交叉:在减数分裂过程中成对的染色体之间的接触点产生一种交叉形状的构造,代表着基因互相交换的细胞表现形式

来源:
Greek khiasma [cross-piece]
希腊语 khiasma [横杆]
from khiazein [to mark with an X]
源自 khiazein [用X作标记]
from khi [chi (from the letter`s shape)]
源自 khi [chi(来自字母X的形状)]

【引伸】
chias.mal 或
chias.mic 或
chi.asmat.ic

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