Definitionn. a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
Last update: June 19, 2015
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Above each cavity is situated a so-called water-sloma, no doubt derived phylogenetically from an ordinary stoma, and enclosed by guard-cells which have nearly or entirely lost the power of movement. [Please select]
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Stoma -ata: a breathing pore or pores:= stigma; q. [Please select]
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