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词汇 exodermis
语种 英语、汉语、英汉翻译、汉英翻译
释义 exodermis
noun[ S ]
 biology specializeduk /ˌek.səˈdɜː.mɪs/ us /ˌek.səˈdɝː.mɪs/
a layer of cells in a plant's root underneath the epidermis(= outer layer): (植物根部的)外皮层
The exodermis is thought to protect against water loss from the root to the soil.人们认为,外皮可以防止水分从根部流失到土壤中。
The cells of the exodermis are very compact, restricting the flow of water.
The exodermis is a single-cell layer at the outer surface of the root directly below the root epidermis.
The exodermis of a one-year-old root is often flaking and falling off.
SMART Vocabulary: related words and phrases

Parts of plants
axil
bark
bilobed
blade
bulb
caning
cascara sagrada
corolla
endodermis
inflorescence
knot
pistil
rosella
seed coat
seed pod
sessile
shaw
sting
taproot
tubule
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更新时间:2025/7/20 17:04:28