This study highlights the crucial role that embryonic and fetal movement plays not only in the elongation of skeletal elements but also in the symmetrical patterning of bones. The findings ...

This vivid chameleon embryo has been stained to highlight the bones and cartilage of its skeleton. You can also see some of its developing internal organs. This vivid chameleon embryo has been stained ...

Biomechanics Learn how the skeleton moves at its joints with help from muscles, including examples of hinge, pivot, and ball and socket joints. Adult and embryonic stem cells There are two types ...