Hyaline cartilage helps bones slide smoothly over each other ... wrote about his observations of rats' ear cartilage under the microscope. "At first sight it looks like adipose tissue," but ...

Sommar, P. et al. Engineering three-dimensional cartilage- and bone-like tissues using human dermal fibroblasts and macroporous gelatine microcarriers. J. Plast. Reconstr. Aesthet. Surg.

During this process, each group produces its own set of regulator proteins and goes through its own developmental program to produce cartilage and bone. Researchers from the University of Basel ...