Anatomical cartilage

There are three types of cartilage:

Hyaline cartilage

Elastic cartilage

Fibrocartilage

Acetabular labrum

source:

http://en.wikipedia.org/wiki/Cartilage

Growing Cartilage: Bioactive Nanomaterial Promotes Growth of New Cartilage

http://www.sciencedaily.com/releases/2010/02/100201171649.htm

Bioengineered Tissue Implants Regenerate Damaged Knee Cartilage http://www.sciencedaily.com/releases/2006/07/060705082457.htm