great vascular bundle 中文意思是什麼
great vascular bundle
解釋
大維管束-
There are 2 - 3 layers of long - column - shaped palisade tissue under the upper epidermis, and there are a great number of mechanical tissues which made up of vascular bundle sheath
上表皮下方有2 - 3層長柱形的柵欄組織,在主脈大側脈外方具有由大量機械組織組成的束帽或束鞘。
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