Complex sentence: Every vertebra has a body, which consists of a large anterior middle portion called the centrum and a posterior vertebral arch, also called a neural arch. The vertebral arch is formed by pedicles and laminae.
Split into simpler sentences: Every vertebra has a body, which consists of a large anterior middle portion called the centrum and a posterior vertebral arch, also called a "neural arch". Dorlands p329 The vertebral arch is formed by pedicles and laminae.