miosis

[mai'əusis]

n. [生](生殖细胞的)成熟分裂, 减数分裂, [医]瞳孔缩小

英英释义

名词 miosis:

(genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)

同义词：meiosis, reduction division

reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller

同义词：light reflex, pupillary reflex, myosis

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