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 ...

The upper cervical spine, specifically, is the top vertebrae of the spine. It is made up of the atlas (C1) and the axis (C2).

It was 12 weeks of hell,' victim testifies of three-month recovery from broken vertebrae following incident in November 2023 ...