archesporial

常見例句

• The megasporogenesis in Psathyrostachys huashanica begins with archesporial cell.
  摘要華山新麥草大孢子發(fā)生始于孢原細(xì)胞。
• Fur hermore there are double archesporial cells and double embryo sacs in Psathyrostachys huashanica.
  此外，在華山新麥草中發(fā)現(xiàn)有雙孢原細(xì)胞及雙胚囊的現(xiàn)象。
• The ovule is bitegminous and tenuinucellate.The archesporial cell locates under the nucellus epidermis, which develops into fuctional megasporocyte.
  孢原細(xì)胞位于珠心表皮之下，直接起大孢子母細(xì)胞的功能。
• The single megaspore archesporial cell origins from nucellus hypodermal layer and becomes the megaspore mother cell directly, which as tenuinucellate.
  大孢子孢原細(xì)胞起源于珠心次表皮層，并直接行使大孢子母細(xì)胞功能，為薄珠心。
• The one megaspore archesporial under the nucellar epidermal cell differentiate directly into megaspore mother cell, the meiosis of megaspore mother cell are nomally.
  大孢子孢原細(xì)胞在直接發(fā)育為大孢子母細(xì)胞，大孢子母細(xì)胞減數(shù)分裂正常，四分體直線型；
• The archesporial cells differentiated from single archesporium, the meiosis of microspore mother cells were continuous type and tetrads were tetrahedral.
  小孢子母細(xì)胞減數(shù)分裂為連續(xù)型，形成的四分體為四面體型排列；
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