1. Primary xylem xylem derived from the procambium in the young plant.
初生木质部：指幼嫩植物中来源于原形成层的木质部。
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2. Primary phloem PHLOEM derived from the procambium in the young plant.
初生韧皮部：指幼嫩植物中来源于原形成层的韧皮部。
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3. Protoxylem the PRIMARY xylem elements that are formed from the procambium first.
初生木质部的成分，最早由原形成层形成。
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4. Procambium (procambium strand) The layer of cells that gives rise to the vascular tissue.
原形成层（原形成层束）：形成维管组织的一层细胞。
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5. Study of the Transition from Procambium to Vascular cambium in Erythrina Arborescens Roxb.
原形成层向维管形成层转化的研究。
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6. Cells of the procambium and ground meristem are more vacuolated than those of the protoderm.
原形成层和基本分生组织的细胞比原表皮层细胞更加液泡化。
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7. Primary vascular tissue, which is found in all vascular plants, is formed from the procambium.
初生维管组织由原形成层发育而来，在所有维管植物中都有存在。
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8. The stele includes all primary tissues derived from the procambium consists of pericycle, phloem and xylem.
中柱包括从原形成层衍生而来的全部初生组织，由中柱鞘、韧质部和木质部组成。
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9. The stele includes all primary tissues derived from the procambium consists of pericycle, phloem and xylem .
中柱包括从原形成层衍生而来的全部初生组织，由中柱鞘、韧质部和木质部组成。
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10. The differentiation of the cells derived from the primordial meristem formed protoderm, ground meristem and procambium strand.
其衍生细胞分化为原表皮、基本分生组织和原形成层。
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11. The procambium continuously develop to the apex after it arises from the place where the leaf primordia originates from below the apical meristem.
原形成层在顶端分生组织之下叶原基起源的地方发生。
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12. Leaf buttress a leaf primordium, appearing as a protuberance on the side of the stem apex, produced by periclinal division of the tunica and corpus, and associated with a procambium.
顶端分生组织上的侧生突起发育成叶的原基，与原形成层有关。
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13. Leaf buttress a leaf primordium, appearing as a protuberance on the side of the stem apex, produced by periclinal division of the tunica and corpus, and associated with a procambium.
