thoracolumbar fascia and arteries of spinal cord

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Last updated 8:04 PM on 5/25/26
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8 Terms

1
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how many layers of the thoracolumbar fascia are there

3 layers

2
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anterior throacolumbar fascia layer

anterior to quadratus lumborum

3
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middle thoracolumbar fascia layer

thicker than anterior layer

connects to transverse processes

posterior to quadratus lumborum

anterior to erector spinae

4
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posterior thoracolumbar fascia layer

connect to spinous processes

posterior to erector spinae

posterior to transversospinalis

5
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posterior spinal arteries

come from posterior segmental medullary artery

runs vertically

6
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anterior spinal artery

comes from anterior segmental medullary artery and gives rise to sulcul artery that goes into sulcus

runs vertically

7
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vertebral artery

floor of suboccipital triangle

forms basilar artery

comes from subclavian artery

gives rise to anterior and posterior segmental medullary artery

8
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Sulcal artery

provides 2/3 of the spinal cord