Most animals, including humans, have bilateral symmetry, which means our bodies are pretty symmetrical. At least on the ...

Efforts to observe chicken embryonic development date back to Aristotle ... in transparent plastic films from the blastoderm ...

New biophysics research at the University of Miami adds to our knowledge about the origins of left-right asymmetry in the body.

For example, in 1821, Geoffrey St. Hilaire was the first scientist to publish the observation that some bird embryos ... exposed chick jaws to certain proteins known to cue tooth development.

Gastrulation is a crucial stage in embryonic development, during which extensive ... analysis of individual cell movements in living chick embryos. The authors labelled ectoderm cells and filmed ...