Mouse limb bones (IMAGE) The Company of Biologists Caption The forelimb (top) and hindlimb (bottom) of a mouse embryo, stained to reveal the bones (purple) and cartilage (blue). Credit Sanika Vaidya Usage Restrictions Please cite https://journals.biologists.com/dev/article-lookup/DOI/10.1242/dev.201038 License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.