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Salt glands of Tamarix aphylla consist of three pairs of secretory cells arranged one uponÂ the other. At the stage of secretion, the upper and middle pair of secretory cells develop inÂ their walls an internal system of anastomosed rods, the protuberances. In the formation ofÂ the wall protuberances, Golgi vesicles and microtubules appear to participate. The stageÂ of salt secretion is also characterized by the presence of numerous mitochondria andÂ microvacuoles. Microvacuoles contain the secreted solution and accumulate in the regionÂ of the wall protuberances. The interaction between microvacuoles and wall protuberancesÂ as well as the genesis of wall protuberances constitute new findings on the subject.
Tamarix aphylla L. salt glands wall protuberances microscopy SEM TEM