| 释义 |
‖ synergida Bot.|sɪˈnɜːdʒɪdə|
Pl. -idæ |-ɪdiː|. Also anglicized synergid.
[mod.L., f. Gr. συνεργεῖν to co-operate.]
Either of two naked nucleated cells at the apex of the embryo-sac, regarded as co-operating with the oosphere in the production of the embryo.
1882Vines tr. Sachs' Bot. 580 Two of the cells of the egg⁓apparatus lie nearer the apex..; they are somewhat elongated superiorly, and the nucleus lies in this elongated portion..: these cells have been termed by Strasburger the Synergidæ. Ibid., In Sinningia, according to Strasburger, only one synergida is present in some cases. 1898Natural Science June 375 Origin of the embryos from egg-cell, synergids, antipodal cells, or nucellus.
Hence syˈnergidal a.
In recent Dicts. |