atlas vertebra (noun)

1. Why did the atlas vertebra go on vacation? Because it needed a break from supporting the weight of the world!

2. As the surgeon lifted the scalpel, the horrifying realization struck him - the patient's atlas vertebra had disappeared!

3. According to Greek mythology, the titan Atlas was condemned to hold up the sky while standing on the atlas vertebra of the world.

4. The artist created a stunning sculpture of the atlas vertebra, capturing every delicate detail and showcasing its significance in the human body.