Thoracolumbar longissimus muscle

Musculus longissimus

  • Muscle
  • Spine
  • Paired: left and right
  • Dog

About the thoracolumbar longissimus muscle of the dog

Thoracolumbar longissimus muscle is a muscle of the spine (vertebral column), one on each side of the body. Its name in the Nomina Anatomica Veterinaria is Musculus longissimus. You can turn it above, see it in place in the spine of the dog, and open it inside the whole animal in Vetomica.

What it works on

Bones it takes hold of

  • Thoracic vertebrae
  • Ribs

Muscles and ligaments it works with

Terminology

English
Thoracolumbar longissimus muscle
Latin (NAV)
Musculus longissimus
Status
A valid term in the Nomina Anatomica Veterinaria

References

Where to read this structure in full, and where the named parts above were read.

  • NAV 2017Myologia
  • Miller's Anatomy of the Dog, 5th ed.The Muscular System: muscles of the trunk (epaxial muscles)
  • Dyce, Sack & WensingThe neck, back and vertebral column of the dog and cat
  • Miller 2020 (book pass)ch. 6 The Muscular System, PDF p. 516

Questions about the thoracolumbar longissimus muscle

What is the Latin name of the thoracolumbar longissimus muscle?
In the Nomina Anatomica Veterinaria, the thoracolumbar longissimus muscle is called Musculus longissimus.
Where is the thoracolumbar longissimus muscle of the dog?
Thoracolumbar longissimus muscle is a muscle of the spine (vertebral column), one on each side of the body.
Which bones does the thoracolumbar longissimus muscle attach to?
Thoracolumbar longissimus muscle takes hold of Thoracic vertebrae and Ribs.

See the thoracolumbar longissimus muscle inside the whole dog.

Vetomica opens on this structure with every layer of the dog around it: peel back the skin and the muscles, cut a section through it, X-ray it, and practise naming it until you stop getting it wrong.

Free for 7 days, no card. After that the skeletons stay free.

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