Cells are the smallest unit of life. All cells have specific structures, called components. Models in science are used to help us understand complicated ideas in a simple and memorable way.

Within multicellular organisms, tissues are organized communities of cells that work together to carry out a specific function. The exact role of a tissue in an organism depends on what types of ...

A stem cell-derived 3D model replicates human amniotic sac development from two to four weeks post-fertilization, closely matching the structure and function of the natural amnion.