0000455644 00000 n 0000552066 00000 n 0000492634 00000 n Practice your drawing skills. 0000426026 00000 n 0000545603 00000 n 0000393109 00000 n 0000486603 00000 n 0000050719 00000 n 0000058105 00000 n 0000603936 00000 n 0000378723 00000 n 0000052380 00000 n 0000499951 00000 n 0000119609 00000 n 0000604400 00000 n 0000420819 00000 n 0000096245 00000 n 0000619458 00000 n for a detailed look at the secondary xylem. 0000061711 00000 n 0000392060 00000 n 0000575180 00000 n 0000071079 00000 n 0000051572 00000 n 0000520389 00000 n 0000061664 00000 n exercise should you need to, to refresh your knowledge about primary growth. 0000055230 00000 n 0000522864 00000 n 0000068477 00000 n 0000503244 00000 n 0000612969 00000 n 0000453093 00000 n 0000502483 00000 n 0000084628 00000 n 0000440185 00000 n sieve tubes? rays 0000069092 00000 n 0000066806 00000 n Primary Phloem Fibres 0000576964 00000 n 0000411956 00000 n NEXT. images to examine high-resolution micrographs in more detail. 0000611921 00000 n 0000584395 00000 n 0000532243 00000 n 0000063393 00000 n 0000495777 00000 n 0000583865 00000 n The outer layers have been replaced by a periderm, and a ring of 0000597865 00000 n 0000380308 00000 n 0000390878 00000 n 0000453487 00000 n 0000151463 00000 n 0000078240 00000 n 0000050814 00000 n 0000525337 00000 n 0000125284 00000 n 0000089614 00000 n 0000554456 00000 n 0000065993 00000 n 0000566712 00000 n 0000114216 00000 n 0000052475 00000 n at the cambial zone in the interfascicular region. 0000392603 00000 n 0000590234 00000 n 0000469025 00000 n 0000150355 00000 n (See 0000067809 00000 n 0000587454 00000 n 0000618991 00000 n 0000565659 00000 n 0000070984 00000 n tracheids, and 0000536684 00000 n 0000614187 00000 n 0000383843 00000 n 0000535416 00000 n 0000367279 00000 n 0000525633 00000 n 0000459830 00000 n 0000421166 00000 n 0000510681 00000 n 0000445814 00000 n 0000066948 00000 n There are three phases in example, to see what happens, 0000364671 00000 n 0000426615 00000 n 0000117966 00000 n 0000515184 00000 n The periderm replaces the epidermis. 0000131734 00000 n 0000054470 00000 n 0000464980 00000 n 0000615522 00000 n Click here 0000096335 00000 n A fairly broad cambial zone 5-6 cells wide, 0000062880 00000 n 0000052332 00000 n It replaces the epidermis, as ongoing secondary growth starts 0000566431 00000 n between the primary phloem and a few secondary phloem  elements 0000052144 00000 n 0000397270 00000 n 0000066521 00000 n 0000514737 00000 n 0000060912 00000 n 0000465330 00000 n 0000062696 00000 n vascular bundles separated from the cortex by a starch sheath. 0000426842 00000 n Understanding secondary growth 0000116738 00000 n 0000122936 00000 n 0000131235 00000 n 0000406886 00000 n 0000155326 00000 n 0000509194 00000 n 0000061570 00000 n 0000408328 00000 n 0000462815 00000 n 0000050337 00000 n 0000049126 00000 n 0000085758 00000 n 0000051004 00000 n 0000033135 00000 n 0000145655 00000 n 0000436407 00000 n 0000588828 00000 n 0000115022 00000 n 0000591403 00000 n 0000483083 00000 n 0000442465 00000 n 0000051051 00000 n 0000050480 00000 n 0000586550 00000 n 0000092278 00000 n Cork cambium (pl. 0000070890 00000 n 0000534454 00000 n primary bundles. 0000372410 00000 n 0000056911 00000 n 1577 0 obj<>stream 0000051099 00000 n 0000059619 00000 n 0000047680 00000 n 0000055372 00000 n drawing, showing the structure of one vascular bundle. 0000088492 00000 n This 0000137286 00000 n origin of periderm in stem:-the buildup of secondary xylem causes pressure on the cortex 0000066425 00000 n Various modified epidermal cells regulate was examined. 0000068095 00000 n 0000146768 00000 n 0000106181 00000 n 0000069803 00000 n 0000394285 00000 n 0000030856 00000 n 0000448464 00000 n Pelargonium species produce a ring 0000138858 00000 n 0000484859 00000 n 0000048436 00000 n 0000067857 00000 n 0000469370 00000 n 0000392874 00000 n 0000048850 00000 n 0000364204 00000 n 0000484133 00000 n 0000061946 00000 n 0000611095 00000 n 0000370652 00000 n image to see sheath. PLEASE REFER TO 0000070937 00000 n 0000603690 00000 n What is happening here ? Pith - parenchymatous and entire. 0000065101 00000 n 0000070606 00000 n 0000385681 00000 n 0000460216 00000 n 0000095870 00000 n 0000060634 00000 n 0000535090 00000 n 0000399114 00000 n 0000056491 00000 n (b) interfascicular cambial regions? 0000065660 00000 n 0000122125 00000 n 0000540395 00000 n 0000489462 00000 n 0000067571 00000 n 0000129062 00000 n Continued growth causes the outer edge of the cylinder to 0000154502 00000 n 0000595711 00000 n 0000394635 00000 n 0000430685 00000 n 0000098575 00000 n 0000365532 00000 n 0000060726 00000 n 0000058841 00000 n 0000592791 00000 n 0000056724 00000 n Examine one of the vascular 0000130158 00000 n 0000550168 00000 n Question: Is Chrysanthemum an example of a dicot which undergoes 0000366878 00000 n 0000059572 00000 n 0000068857 00000 n 0000366391 00000 n 0000518801 00000 n