Definition of mesophyll in English:

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Pronunciation: /ˈmɛsə(ʊ)fɪl/
Pronunciation: /ˈmɛzə(ʊ)fɪl/ Pronunciation: /ˈmiːsə(ʊ)fɪl/ Pronunciation: /ˈmiːzə(ʊ)fɪl/


[mass noun] Botany
The inner tissue (parenchyma) of a leaf, containing many chloroplasts.
Example sentences
  • Thus, elements of the guard cell's response to stress are present in mesophyll and xylem parenchyma cells.
  • Inactivation of plastids in the leaf mesophyll, which normally contains the majority of chloroplasts would be the most easily identified.
  • Light dependence of zeaxanthin formation in hypocotyl and mesophyll chloroplasts of Arabidopsis seedlings


Mid 19th century: from meso- 'middle' + Greek phullon 'leaf'.

For editors and proofreaders

Line breaks: meso|phyll

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