胚囊 pēináng embryo sac Definitions Defs Origin Strokes Stroke Words Sentences Sents 胚囊 pēináng embryo sac (botany) the female gametophyte of a seed plant located within the ovule blastula, blastodermic vesicle an early embryo at the stage when it is a hollow ball of cells; also called a 囊胚 nángpēi gastrula the stage of an embryo following the blastula, when it is a hollow cup-shaped structure having three layers of cells Frequency Written text 0.170 per million Cross-References Same as 囊胚 nángpēi Sources Frequency data BCC Corpus (BLCU)
胚囊 pēináng embryo sac (botany) the female gametophyte of a seed plant located within the ovule blastula, blastodermic vesicle an early embryo at the stage when it is a hollow ball of cells; also called a 囊胚 nángpēi gastrula the stage of an embryo following the blastula, when it is a hollow cup-shaped structure having three layers of cells Frequency Written text 0.170 per million Cross-References Same as 囊胚 nángpēi Sources Frequency data BCC Corpus (BLCU)
