蒸腾孔 transpiration pore

互联网2013-11-14

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蒸腾孔 transpiration pore 指石炭纪的化石蕨和鳞木类的叶座的下部而紧靠叶痕下边开口的一对孔。此孔连通茎的皮层，在那里与叶痕上开口的一对通气道的沟会合。蒸腾孔周围的叶座组织富于通气性，从蒸腾孔进入的空气入皮层，可能通过通气道的孔穴往叶里送入空气。

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