Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The photosynthetic tissue of a leaf, located between the upper and lower epidermis.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun botany The soft internal
parenchyma of aleaf
Etymologies
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Examples
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The parts of a typical leaf include the upper and lower epidermis, the mesophyll, the vascular bundle(s) (veins), and the stomates.
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The mesophyll cells have chloroplasts and this is where photosynthesis occurs.
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Many grasses utilize a third photosynthetic biochemical pathway known as [[C4 photosynthesis]], where carbon dioxide is initially incorporated into an organic acid in mesophyll cells which is transported into the bundle sheath cells.
Photosynthesis 2009
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In contrast, remnant stands of complex mesophyll vine forest occur on basalt-derived soils in the wet lowlands between Innisfail and Cape Tribulation.
Wet Tropics of Queensland World Heritage Site, Australia 2008
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The delineations for this ecoregion were derived from the INEGI current landcover maps, from which we're lumping montane mesophyll forests classifications with human modified landscapes along the eastern flank of the Sierra Madre Oriental.
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These include some of the rarest types, among which the mesophyll vine forest and notophyll vine forest that occur on beach sand are totally unprotected.
Wet Tropics of Queensland World Heritage Site, Australia 2008
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The peak development of rainforests in the region is as low altitude complex mesophyll vine forests on wet fertile alluvial and basaltic soils where plank buttressing is common, robust woody lianes, vascular epiphytes and palms are typical, and fleshy herbs with wide leaves (e.g. gingers and aroids) are prominent.
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Rainforest vegetation is extremely sensitive to fire, so that where fire frequency is increased, old, mature eucalypts stand over a tall understory of Acacia spp. and mesophyll species of Olearia, Bedfordia, Pomaderris, and Phebalium.
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These semi-evergreen humid forests are of Guineo-Congolian affinity and are thought to be impoverished outliers of Congolian rain forest with tall macrophyll or mesophyll canopy trees, extensive growth of epiphytes and lianes and many fruiting species.
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Lacunae, or internal air spaces, are scattered throughout the mesophyll and act as miniature flotation devices.
Macrophytes 2007
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