胚胎發(fā)生胚胎的發(fā)展與生長 The development and growth of an embryo.
胚胎病胚胎發(fā)育的紊亂 A developmental disorder in an embryo.
外胚乳包在種子胚芽外,產(chǎn)生于細胞核的營養(yǎng)性組織 The nutritive tissue that is derived from the nucleus and surrounds the embryo of the seed.
超聲波掃描術(shù)利用超聲波來顯示耳體結(jié)構(gòu)或胚胎發(fā)育情況的診斷用的成像法 Diagnostic imaging in which ultrasound is used to visualize an internal body structure or a developing fetus.