spinous process

Definition of spinous process

: a bony process of a vertebra that projects posteriorly from the neural arch and the junction of two laminae and provides attachment for muscles concerned especially with flexion, extension, rotation, and stability of the spinal column

Note: The spinous processes can be felt directly under the skin as bony projections along the length of the spinal column with the spinous process of the seventh vertebra in the neck region typically being the most prominent.

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The first known use of spinous process was in 1732

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spinous process

noun

Medical Definition of spinous process

: spine sense 2 specifically : a bony process of a vertebra that projects posteriorly from the neural arch and the junction of two laminae and provides attachment for muscles concerned especially with flexion, extension, rotation, and stability of the spinal column