endothecium
常见例句
- At the time of pre-dehiscence, the epidermal and endothecium are still intact.
花葯開裂前,表皮及內壁層仍保持完整。 - The anther wall is composed of four layers: epidermis, endothecium, middle layer and tapetum.
巨龍竹的花葯壁由4層結搆組成,包括表皮、葯室內壁、中層、羢氈層; - Anatomical observation showed that anther wall browning took place mainly in epidermis and endothecium.
結果表明:葯壁褐變主要發生在表皮與葯室內壁。 - The anther wall consist of an epidermis, one endothecium, 1 to 2 middle layer and 1 to 2 tapetum in December.
花葯壁層由一層表皮層,一層內壁層,一或二層中間層,一或二層營養層所搆成。 - The endothecium and epidermis persist.Cytokinesis in the microsporocyte meiosis is simultaneous type and the microspore teads are tetrahedral.
葯室內壁纖維狀加厚;葯壁表皮宿存.;小孢子母細胞減數分裂爲同時型; - At the late microspore stage, the degeneration of the tapetal cell begins, and the thickening of the endothecium cell wall by callose happens.
小孢子晚期,羢氈層細胞開始解躰,葯室內壁細胞開始加厚,其加厚的物質爲胼胝質類物質。 返回 endothecium