英语词汇“synergid cell”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

Either of two cells which are situated adjacent to the egg cell within the embryo-sac of a flowering plant, and which assist in the process of fertilization. Frequently attributive, esp. in synergid cell.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > embryo-sac > cell of

synergid1879

cap-cell1882

1879 Jrnl. Bot., Brit. & Foreign 17 382 Of the three anterior nucleated masses, two become elongated, fit into the top of the embryo-sac as the ‘Gehülfinnen’, or ‘synergidæ’ of Strasburger, and are probably what Schacht described as the ‘filiform apparatus’.

1883 G. Macloskie Elem. Bot. 195 Of those at the upper end the lowest one becomes the oösphere, and the other two are the synergid cells.

1898 Jrnl. Royal Microsc. Soc. 556 The synergids are remarkably long, and the antipodals very ephemeral.

1934 Bot. Gaz/ 96 100 A well-defined membrane separates the egg nucleus from the synergids, with the synergid nuclei usually nearer the micropyle.

1992 M. Ingrouille Diversity & Evol. Land Plants iv. 122 In angiosperms the pollen tube enters the embryo sac via one of the synergids which has a special receptive filiform apparatus.

2011 Current Opinion Plant Biol. 14 623/1 Synergid cell death is a highly controlled and coordinated process.

单词	synergid cell
释义	> as lemmas synergid cell Either of two cells which are situated adjacent to the egg cell within the embryo-sac of a flowering plant, and which assist in the process of fertilization. Frequently attributive, esp. in synergid cell. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > embryo-sac > cell of synergid1879 cap-cell1882 1879 Jrnl. Bot., Brit. & Foreign 17 382 Of the three anterior nucleated masses, two become elongated, fit into the top of the embryo-sac as the ‘Gehülfinnen’, or ‘synergidæ’ of Strasburger, and are probably what Schacht described as the ‘filiform apparatus’. 1883 G. Macloskie Elem. Bot. 195 Of those at the upper end the lowest one becomes the oösphere, and the other two are the synergid cells. 1898 Jrnl. Royal Microsc. Soc. 556 The synergids are remarkably long, and the antipodals very ephemeral. 1934 Bot. Gaz/ 96 100 A well-defined membrane separates the egg nucleus from the synergids, with the synergid nuclei usually nearer the micropyle. 1992 M. Ingrouille Diversity & Evol. Land Plants iv. 122 In angiosperms the pollen tube enters the embryo sac via one of the synergids which has a special receptive filiform apparatus. 2011 Current Opinion Plant Biol. 14 623/1 Synergid cell death is a highly controlled and coordinated process. extracted from synergidn. < as lemmas
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> as lemmas