维管束植物会产生一系列不同的小分子信号物质，就是所说的植物激素，它们调控着植物的生长分化进程。
Vascular plants produce an entire series of different small signalling molecules, so-called phytohormones, which regulate growth and differentiation processes.
其它的植物激素如2,4 - D, NAA和KT等对三七愈伤组织分化影响不大，但亦改变愈伤组织的生长状态。
Other plant hormones such as 2, 4-d, NAA or KT did not influenced obviously the callus differentiation, but they could change the growth state of the callus.
激素和脂肪细胞因子可以调控脂肪组织的生长、分化及机体脂肪沉积。
Growth and differentiation processes of adipose tissues could be regulated by hormones and adipocytokins.
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