珠心的英文翻译与发音

珠心

[zhū xīn]

nucellus;megarchidium;nucellar

nucellus [nju:'selәs]

n.[植]珠心

nucellar [-ә(r)]

adj.[植] 珠心的

珠心的中英文例句与用法

银杏珠心组织的细胞程式化死亡。Programmed cell death of the nucellar cells in ginkgo biloba l.珠心胚珠的中心，胚芽囊在此发育；大孢子囊The central portion of an ovule in which the embryo sac develops; the megasporangium.珠心通常在胚乳发育时被分解和吸收。The nucellus is usually degraded and absorbed as the endosperm develops.合点珠孔对面的胚珠内结合珠被和珠心的一个区域The region of an ovule that is opposite the micropyle where the integuments and nucellus are joined.某些植物的珠被和珠心细胞形成完全正常的胚。The cells of the integument and nucellus of some plants form perfectly normal embryos.天仙子（hyoscyamusniger）胚珠为薄珠心胚珠。The ovule of hyoscyamus niger is renuinullceate.

珠心的相关词汇及其英文翻译

厚珠心胚珠 crassinucellate ovule

珠心 nucellus

珠心细胞 nucellar cell

珠心胚 nucellar embryo

薄珠心胚珠 tenuinucellate ovule