WebPlants are able to continue growing indefinitely like this due to specialized tissues called meristems, which are regions of continuous cell division and growth. Meristematic tissue cells are either undifferentiated or incompletely differentiated, and they continue to produce cells that quickly differentiate, or specialize, and become permanent ... WebMay 26, 2015 · The zone of cell elongation is the region in which newly formed cells by the activity of apical meristem start elongating. Different regions of growth are very distinct …
Meristem - Wikipedia
WebApr 6, 2024 · The cork cambium or phellogen produces the defensive outer layers of the surface, this is the overall region of meristematic activity. The peripheral zone's rate of … WebThe cells in this region are rich in protoplasm, possess large conspicuous nuclei. Their cell walls are primary in nature, thin and cellulosic with abundant plasmodesmata connections. The cells proximal (just next, away from the tip) to the meristematic zone represent the phase of elongation. free avery template 5388
Shining in the dark: the big world of small peptides in plants
WebOct 14, 2013 · Plant roots consist of a meristematic zone of mitotic cells and an elongation zone of rapidly expanding cells, in which DNA replication often occurs without cell division, a process known as endoreduplication. ... The boundary region between the meristematic and elongation zones was analysed by a combination of DNA replication imaging and ... WebThese regions, starting at the tip and moving upwards towards the stem, are the root cap, zone of active cell division, zone of cell elongation, and zone of maturation. The first two are compacted in the first centimeter or less of the axis with the latter two no more than 4–5 centimeters from the tip. Only the root cap and the cell division ... WebWhen a meristematic cell divides in two, the new cell that remains in the meristem is called an initial, the other the derivative. As new cells are added by repeated mitotic divisions. These types of tissues are generally found … free avery template 5666