In the shoots of Humulus lupulus L., secretory canals of schizogenous-lysigenous type were discovered. It has been found that functional schizogenous-lysigenous canals are active on the stage of rapid shoot growth. It has been established that in the tissues of vegetative and generative organs of hop plants, transitional forms of lacticifers are developed, from unicellulars with symplast and intrusive growth to multicellulars formed during the process of incorporation of new cells. The evacuation processes of terpenes, flavonoids and other products of the secondary metabolism from epithelial cells to the cavity of secretory channel were shown.

Keywords: Cannabaceae, Humulus lupulus, apex, shoot, secretory canals, idioblasts, lacticifers

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