This structure oversees the knee jerk reflex, and together with the brain, it makes up the central nervous system.
The radicular arteries supply blood to this structure, and it develops under influence of the Sonic hedgehog gene on the basal plate. This structure is the lower of the two protected by three membranes called the meninges, and its top begins at the (*) medulla oblongata. This structure has 31 individual segments, and like the structure surrounding it, it has cervical and lumbar regions. This structure oversees the knee jerk reflex, and together with the brain, it makes up the central nervous system. For 10 points, name this collection of nerves running down the back of the body and enclosed by a similarly named vertebral column of bones.
The radicular arteries supply blood to this structure, and it develops under influence of the Sonic hedgehog gene on the basal plate.
spinal cord (do not accept or prompt on “spine”; those are the bones)