miosis

名词 miosis:

1. (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
2. 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

miosis 也作 my.o.sis

n.（名词）
【复数】 mi.o..ses[-sôz]
Constriction of the pupil of the eye, resulting from a normal response to an increase in light or caused by certain drugs or pathological conditions.
缩瞳：眼睛瞳孔的缩小，是对光线增强的正常反应结果或由某些药物或病理学情况而引起

来源：
Greek muein [to close the eyes]
希腊语 muein [闭上眼睛]
-osis
-osis