Microscope slide images comparing cartilage in non-menopausal aging (left) versus a sample in menopausal aging (right). Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...

A new study describes a type of cartilage that may have been discovered, forgotten and found again at several points in history.

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