MC 2000 Chapter : 07Books 1
Document Summary
Final notes april 24, 2012: terminal bud controls the other buds it finds below it by secreting hormones, axillary buds also contain meristematic cells. Primary growth in shoots: primary growth in shoots lengthens shoots from the tips, fig 35. 16, the apical meristem produces the same three primary meristems as in the roots, protoderm, ground meristem, procambium. Figure 35. 17 (a and b: monocot, vascular bundles are scattered, dicot, vascular ring, dead xylem and living phloem cells, how they form in a leaf, fig. 35. 18: vascular bundles are the tubes vein structures we see on a leaf, protoderm cells, develop into the epidermis, fig. 18: mesophyll, pallisade layer, spongy layer, fig. In dicot stems these are the pith and cortex. In a monocot they are called ground tissue: everything we"ve seen so far has been called primary growth, bird house, won"t move if you nail it at 6 years old and come back 20 years later because growth.
