Essays Tagged: "Gastrulation"

The stages of vertebrate development from fertilization to neural fold stage.

on establishes the dorsal-ventral axis of the zygote. In some species, the gray crescent is formed. Gastrulation rearranges the cells of the blastula to form a three-layered embryo with a primitive gu ... ranges the cells of the blastula to form a three-layered embryo with a primitive gut. The result of gastrulation is that some of the cells at or near the surface of the blastula move to an interior lo ...

(2 pages) 22 0 5.0 Feb/2006

Subjects: Science Essays > Biology