What Does Tyloses Mean?

Tyloses are outgrowths/extragrouth on parenchyma cells of xylem vessels of secondary heartwood. When the plant is stressed by drought or infection, tyloses will fall from the sides of the cells and "dam" up the vascular tissue to prevent further damage to the plant.

What is the meaning of tyloses?

Tyloses are balloonlike outgrowths of parenchyma cells that bulge through the circular bordered pits of vessel members and block water movement. ... The protoplast of an adjacent living cell proliferates through thin areas in the cell walls known as pits.

What is tyloses xylem?

In woody plants, a tylosis (plural: tyloses) is a bladder-like distension of a parenchyma cell into the lumen of adjacent vessels. The term tylosis summarises the physiological process and the resulting occlusion in the xylem of woody plants as response to injury or as protection from decay in heartwood.