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spinous process

American  

noun

Anatomy, Zoology.
  1. a spinelike process of a bone, especially the dorsal projection from the center of the arch of a vertebra.


Etymology

Origin of spinous process

First recorded in 1725–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A typical thoracic vertebra is distinguished by its long, downward projecting spinous process.

From Textbooks • Jun. 19, 2013

They have short transverse processes and a short, blunt spinous process that projects posteriorly.

From Textbooks • Jun. 19, 2013

Figure 7.28 Lumbar Vertebrae Lumbar vertebrae are characterized by having a large, thick body and a short, rounded spinous process.

From Textbooks • Jun. 19, 2013

Arising from the vertebral arch are the laterally projecting transverse processes and the posteriorly oriented spinous process.

From Textbooks • Jun. 19, 2013

Local pain, dorsal pain, generally to the left of the eighth or ninth dorsal spinous process, and haematernesis and melaena, are symptomatic of it.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various

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