promeristem

常見例句

• Promeristem is composed ofthree layers of cells in root tip,of them,outer layer of cells form the epidermis and root cap,centraland inner layers of cells sepratedly form the cortex and vascular cylinder.
  其根端原分生組織具三層原始細胞，外層產生表皮和根冠，中層和內層分別產生皮層和中柱。
• Results Essential oil was not found in the promeristem of stem;
  結果在廣藿香莖的原分生組織中，未觀察到有揮發(fā)油分布；
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