: an arch of bone or cartilage of a vertebra that is situated posterior to a vertebral body, is formed by the fusion of two pedicles and two laminae, and along with the back portion of the vertebral body forms a vertebral foramen through which the spinal cord passes
The neural arch puts limits on the range of a spine's movement with pairs of interlocking tabs known as zygapophyses. Carl Zimmer
called alsovertebral arch
Example Sentences
Recent Examples on the WebTwo pretty small somethings—a neural arch from a Brachychampsa spine and a tooth fragment with a so-far-unknown origin. Jennifer Billock, Smithsonian, 25 Sep. 2019
Word History
First Known Use
1843, in the meaning defined above
Medical Definition
neural arch
noun
: an arch of bone or cartilage of a vertebra that is situated posterior to a vertebral body, is formed by the fusion of two pedicles and two laminae, and along with the back portion of the vertebral body forms a vertebral foramen through which the spinal cord passes
The neural arch puts limits on the range of a spine's movement with pairs of interlocking tabs known as zygapophyses. Carl Zimmer