12/1/2023 0 Comments Adobe fuse skeleton with muscles![]() Scientists understand many of the signals that direct the cells to build bone, but, know a lot less about how the cartilage at the joint is directed. Cells in the early embryo are thus directed to make a decision to either form bone or cartilage, depending on where they are. As a result, at joints, bones need to be covered in smooth, lubricated cartilage. our knees and elbows) need to be able to move smoothly. For example, our bones need to be made of strong and resilient material to protect and support our bodies, whereas our articulating joints (e.g. ![]() Cells in the early embryo receive biological signals that direct them to contribute to different types of tissue, and in different places.
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