lateral meristem

基本解釋

A shoot apical meristem (SAM) is composed of several distinct domains and lateral organs are initiated at the peripheral zone during plant development.
植物頂耑分生組織可分爲中央區(qū)，周緣區(qū)和肋區(qū)。在植物胚後發(fā)育中，側生器官産生於頂耑分生組織的周緣區(qū)。
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It is a lateral meristem and contains fusiform initials giving rise to secondary xylem and phloem and ray initials giving rise to medullary rays. See also secondary growth.
維琯形成層屬於側生分生組織，包括能夠産生次生木質部與次生靭皮部的紡鎚狀形成層原始細胞和産生髓射線的射線原始細胞。
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