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单词 scutellum
释义 scutellum
[skü`tel·ǝm]
BOTANY
1. A rounded apothecium with an elevated rim found in certain lichens.
2. The flattened cotyledon of a monocotyledonous plant embryo, such as a grass.
INVERTEBRATE ZOOLOGY
The third of four pieces forming the upper part of the thoracic segment in certain insects.
VERTEBRATE ZOOLOGY
One of the scales on the tarsi and toes of birds.
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