| 释义 |
typembryo Biol.|taɪˈpɛmbrɪəʊ|
[f. type n.1 + embryo.]
The stage in the development of an embryo when the characteristic structure of its phylum or subkingdom begins to appear.
1887Hyatt in Proc. Boston Nat. Hist. Soc. 16 Nov. 398 Naming the embryo in these last stages the Typembryo. Ibid. 399 Typembryos serve to connect the earlier stages of the Neoembryos with the true larval stages which succeed the former. |