Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...

Figure 1: Morphological variation in the pre-cloacal vertebral column of limbed lizards and snakes. Figure 3: Correspondence between Hox expression domains and morphometric boundaries for four-region ...

What is the anatomy of the spinal cord? The human spinal cord is a cylindrical structure of nerve tissue that is protected by the spinal column and composed of uniformly organized white and grey ...