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megaspore ['megəˌspoʊr]

n. 大孢子,(种子植物的)胚囊;

例句:

  • The gametophyte is derived from the product of a reduction division in the megaspore mother cell.
    该配子体是由大孢子母细胞进行减数分裂而来.
  • A single archesporium differentiates immediately below the nucellar epidermis, it functions directly the megaspore mother cell.
    孢原细胞处于珠心表皮之下, 直接起大孢子母细胞的功能.
  • Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.
    大孢子四分体为线形, 合点端功能大孢子发育成为蓼型胚囊.