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单词 eyespot
释义
eye·spot (īspŏt)
n.
1. A light-sensitive organelle of certain chiefly unicellular organisms, such as euglenas and some motile algae.
2. A simple visual organ of certain invertebrates, consisting of a cluster of photoreceptor cells and pigment cells.
3. A rounded eyelike marking, as on the wings of certain butterflies.
4. Any of several fungal diseases that affect grasses and are characterized by oval lesions.
eyespot
on a butterfly wing
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更新时间:2025/3/22 10:04:10