By coating tiny gel beads with lung-derived stem cells and allowing them to self-assemble into the shapes of the air sacs found in human lungs, researchers succeeded in creating 3D lung “organoids” which can be used to study lung diseases that have been difficult to study using conventional methods.

See the source article by following the link below:
By coating tiny gel beads with lung-derived stem cells and allowing them to self-assemble into the shapes of the air sacs found in human lungs, researchers succeeded in creating 3D lung “organoids” which can be used to study lung diseases that have been difficult to study using conventional methods.