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exine

exine The outer, decay-resistant coat of a pollen grain or spore, composed of sporopollenin, an inert polymer (possibly the toughest of all polymers of biological origin). The exine is characteristic for different plant families and genera, and sometimes even for different species. Hence it forms the basis for the identification and quantitative analysis of the vegetation composition of peats and other suitable sedimentary deposits dating back many thousands of years. See also palynology.

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"exine." A Dictionary of Ecology. . Encyclopedia.com. 22 Jan. 2018 <http://www.encyclopedia.com>.

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exine

exine Outer, decay-resistant coat of a pollen grain or spore, composed of sporopollenin, an inert polymer. The exine is characteristic for different plant families and genera, and sometimes even for different species. Hence it forms the basis for the identification and quantitative analysis of the vegetation composition of peats and other suitable sedimentary deposits dating back many thousands of years. See also PALYNOLOGY.

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"exine." A Dictionary of Earth Sciences. . Encyclopedia.com. 22 Jan. 2018 <http://www.encyclopedia.com>.

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"exine." A Dictionary of Earth Sciences. . Retrieved January 22, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/exine

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exine

exine The outer, decay-resistant coat of a pollen grain or spore. The exine is characteristic for different plant families and genera, and sometimes even for different species. Hence it forms the basis for the identification and quantitative analysis of the vegetation composition of peats and other suitable sedimentary deposits dating back many thousands of years. See also PALYNOLOGY and POLLEN ANALYSIS.

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"exine." A Dictionary of Plant Sciences. . Encyclopedia.com. 22 Jan. 2018 <http://www.encyclopedia.com>.

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"exine." A Dictionary of Plant Sciences. . Retrieved January 22, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/exine-1

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exine

exine See pollen.

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"exine." A Dictionary of Biology. . Encyclopedia.com. 22 Jan. 2018 <http://www.encyclopedia.com>.

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