束中形成层;
Intrafascicular cambium ( fascicular cambium) The part of the VASCULAR CAMBIUM within the vascular between the xylem and phloem.
束中形成层:是位于木质部和韧皮部构成的维管束内的一部分维管形成层。
With the progressive development of stem, the activity of vascular cambium began. The fascicular cambium differentiated into secondary xylem and secondary phloem, while the interfascicular cambium only differentiated into wide ray of parenchyma tissue.
随着茎的继续发育,维管形成层开始活动,由束中形成层产生次生韧皮部和次生木质部分子;而束间形成层仅产生薄壁细胞组成宽的射线。
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