Which came first the head or the brain?
(Phys.org) —A fundamental question in the evolution of animal body plans, is where did the head come from? In animals with a clear axis of right-left symmetry, the bilaterians, the head is where the...
View ArticleX-ray tomography on a living frog embryo
Classical X-ray radiographs provide information about internal, absorptive structures of organisms such as bones. Alternatively, X-rays can also image soft tissues throughout early embryonic...
View ArticleNew X-ray method shows how frog embryos could help thwart disease
An international team of scientists using a new X-ray method recorded the internal structure and cell movement inside a living frog embryo in greater detail than ever before.
View ArticleMechanical forces in development
(Phys.org) —Early embryonic development is a marvel of mechanics. Its signature step is the production of three tissue layers—mesoderm, ectoderm, and endoderm—through a topological maneuver known as...
View ArticleResearchers reconstruct early stages of embryo development
Researchers at the University of Cambridge have managed to reconstruct the early stage of mammalian development using embryonic stem cells, showing that a critical mass of cells – not too few, but not...
View Article
