neural arch

noun

Definition of neural arch

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 example sentences are selected automatically from various online news sources to reflect current usage of the word 'neural arch.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of neural arch

1843, in the meaning defined above

Learn More About neural arch

Time Traveler for neural arch

Time Traveler

The first known use of neural arch was in 1843

See more words from the same year

Dictionary Entries Near neural arch

neural

neural arch

neural axis

See More Nearby Entries 

Statistics for neural arch

Cite this Entry

“Neural arch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neural%20arch. Accessed 9 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for neural arch

neural arch

noun

Medical Definition of neural arch

: 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

Britannica.com: Encyclopedia article about neural arch

WORD OF THE DAY

Test Your Vocabulary

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!