In vertebrates, the skeleton of different regions of the body arises from different precursor cells. Researchers at the ...

The skeletal system is made from bones and joints ... joined rigidly together and cannot move against each other. Bones in the skull are joined in this way. Other bones are joined to each other ...

Deep down you uncover bones that look old. You recover a full skull with teeth, and most of the bones of ... Adult teeth are worn down by chewing, and sometimes the amount a skeleton’s teeth are worn ...

Compared to what we know about other joints and limbs, “we know a lot less on the craniofacial system in terms ... joins the bilateral bones in the roof of the skull—in mice of different ages and ...

Look for the sagittal suture – the squiggly line that runs the length of the skull ... skeleton. Check if there are any soft marks on the cartilage which are left by childbirth as the bones ...

Skeletal remains including a skull, a jaw, and three other bones were located in a wooded area on Nov. 25, 1984, according to state police and the National Missing and Unidentified Persons System.

Sharks don’t have bones. Their skeletons are ... As well as being flexible, their skeletal structure helps give some species of shark a powerful bite. Their upper jaw is not fused to their ...

The disorder usually affects just one or several bones, not the entire skeleton. The most common areas are the skull, legs ... Gifts processed in this system are not tax deductible, but are ...