nucellus embryo

常見例句

There were only two layers of nucellus which had abundant cytoplasm and reserved substance, and were consumed at the stage of late heart-shaped embryo.
珠心細(xì)胞只有兩層，細(xì)胞核大，胞質(zhì)豐富，內(nèi)含貯藏物質(zhì)，至心形胚期逐漸解體。
After years of observation and assessment on the top-grafting plants of nucellus seedlings, considerable quality variations were found among nucellus embryo plants.
對(duì)珠心苗高接植株多年觀察及品質(zhì)鑒定，認(rèn)為珠心胚植株在品質(zhì)上表現(xiàn)較大差異。
Developmentof female gametophytes originate from subhypoclermal archesporial cells oriented in the nucellus, but only one of these directly develops into thePolyonum type embryo sac.
雌配子體發(fā)育起源于珠心組織亞表皮下的孢原細(xì)胞其中只有一個(gè)孢原直接發(fā)育成為蓼型胚囊。