From mice to giraffes, mammals are remarkable in that all but a handful of their 5000 species have exactly seven vertebrae in the neck. Among the few that deviate from this number are three-toed ...

The lumbar vertebrae are the largest movable bones of the backbone. Their large size and bone strength is necessary because these vertebrae support more weight than the upper two segments of the ...

In Panderichthids (rhipidistian fish ancestors of amphibians), 2 sets of ossifications are present in the centra region. At posterior end, below the neural arch, are pleurocentra. This element gave ...

Though both giraffes and humans have the same number of individual neck bones (known as vertebrae), the two species also have size and structural differences. Just like humans, giraffes are said to ...