"We found communication among the cells of the colonies, which regulates shape and ciliary beating across the rosette," explains first author Jeffrey Colgren. "We didn't have clear expectations of ...

Rosette embryos, like 3 of the 4 primary embryos, are always aborted. 5. Each embryo of a system may be traced back to an initial cell, one of the first completely walled cells of the proembryo. The8 ...

3. The embryos of the Abietineae may be arranged in an intergrading series, with Pinus at one end and Pseudotsuga at the other, on the basis of the occurrence of cleavage polyembryony, rosette embryos ...