the skeleton acts as internal scaffolding to give stability to the body, and forms protective cocoons around important organs ...

We're all very complex organisms, made up of lots of different types of cells carrying out different jobs in our bodies; such as nerve cells, blood cells, fat cells and muscle cells. So, where do ...

Segmentation of the vertebrate body is first established during embryogenesis by the periodic formation of pairs of somites — for example, every 120 minutes in mouse, 90 minutes in chicken and ...

In the beginning, one cell becomes two, and two become four. Being fruitful, they multiply into a ball of many cells, a shimmering sphere of human potential. Scientists have long dreamed of ...

Organoids have revolutionized science and medicine, providing platforms for disease modeling, drug testing, and understanding ...

Editor's note: The author was a member of the National Institutes of Health's Human Embryo Research Panel in the mid-1990s. The panel recommended ethical guidelines for all future federally funded ...

During the first 72 hours in particular, extracellular vesicles—nanoparticles enclosed in cell membranes—play a significant role in the embryonic development of zebrafish. This is the result ...