neural arch

noun

anatomy
: 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 also vertebral arch

Examples of neural arch in a Sentence

Recent Examples on the Web Two 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

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'neural arch.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1843, in the meaning defined above

Time Traveler
The first known use of neural arch was in 1843

Dictionary Entries Near neural arch

Cite this Entry

“Neural arch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neural%20arch. Accessed 16 Apr. 2024.

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

called also vertebral arch

More from Merriam-Webster on neural arch

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