油松茎端的皮层薄壁组织和幼茎木薄壁组织中具含树脂细胞分布。
Some resin containing cells are present in parenchym of cortex in shoot apex and xylem parenchym of stem in Pinus tabulaeformis .
至第八对叶原基产生后，茎端分生组织才稍微隆起，细胞数目增多。
At the appearance of the eighth leaf primordia, SAM formed a bulge and had more cells.
结果表明：菜心的茎端生长点、菜苔及基茎均存在CT K类物质。
The results showed that CTK existed in the growing tip, the flowering stalk and the it's base part.
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