Medical Term:

interspinales thoracis (muscles)

 

Definition: often poorly developed or absent deep muscles of back spanning between spinous process of thoracic vertebrae; action, extends thoracic vertebrae; nerve supply, dorsal primary rami of thoracic nerves.

Synonym(s): musculus interspinalis thoracisTA, thoracic interspinal muscle, thoracic interspinales muscles

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