T11 — eleventh thoracic vertebra (Vertebra thoracica undecima)

Layer: Bones

Educational content only — not medical advice.

Anatomy

T11, the eleventh of twelve thoracic vertebrae, distinguished by costal facets that grip the ribs to form the thoracic cage; its long downward-angled spinous processes shingle over each other. It has a single complete costal facet on the body but no facet on its transverse process.

Clinical notes

Thoracic kyphosis and compression fracture at T11 are linked to osteoporosis; thoracic disc herniation is rare but can mimic abdominal pain.

Related structures

Educational references

FAQ

What is the role of the T11 — eleventh thoracic vertebra?

T11, the eleventh of twelve thoracic vertebrae, distinguished by costal facets that grip the ribs to form the thoracic cage; its long downward-angled spinous processes shingle over each other. It has a single complete costal facet on the body but no facet on its transverse process.

Why is the T11 — eleventh thoracic vertebra clinically important?

Thoracic kyphosis and compression fracture at T11 are linked to osteoporosis; thoracic disc herniation is rare but can mimic abdominal pain.

Source & license

Derived from Z-Anatomy (Gauthier Kervyn et al.), CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/); upstream geometry from BodyParts3D, © The Database Center for Life Science. license details