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palisade cell

柵状細胞
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日英・英日専門用語辞書

日中韓辭典研究所

palisade cell

柵状細胞

Wiktionary英語版

出典：Wiktionary

palisade cell

出典:『Wiktionary』 (2025/03/18 18:46 UTC 版)

名詞

palisade cell (plural palisade cells)

  1. (botany) Any of a layer of elongated cells, near the surface of leaves, that have chloroplasts that absorb a major portion of the light energy used by the leaf.

Further reading

ウィキペディア英語版

出典：Wikipedia

Palisade cell

出典:『Wikipedia』 (2011/06/21 20:31 UTC 版)

英語による解説

ウィキペディア英語版からの引用
引用

Palisade cells are cells found within the mesophyll in leaves of dicotyledonous plants. They contain chloroplasts, which convert the energy stored in photons to chemical energy through photosynthesis. The cylindrical shape of palisade cells allows a large amount of light to be absorbed by the chloroplasts. Beneath the palisade mesophyll are the spongy mesophyll cells, irregularly-shaped cells that having many intercellular spaces to allow the passage of gases, such as the intake of carbon dioxide for photosynthesis to take place. The stomata is the way in which these gases are exchanged, as well as the transpiration of water from the xylem, either by the apoplast or symplast pathway. Palisade cells are positioned towards the upper surface of the leaf and contain the largest number of chloroplasts per cell in plants. This makes them the primary site of photosynthesis in a plant's leaves. They have a very large surface area in order for them to absorb more light during photosynthesis.This makes photosythesis easier and more chemical energy can be prouced for the plant.

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