Lumbar Spine And Vertebral Ligaments

Question 1

What is the most distinct characteristic of lumbar vertebrae?

Answer 1

Large size of body

Question 2

Characteristics of lumbar vertebrae (body, foramen, TP)

Answer 2

-vertebral body: massive, kidney shaped
-vertebral foramen: triangular, larger than thoracic vertebrae but smaller than cervical vertebrae
-TP: long and thin, accessory process on posterior surface

Question 3

Lumbar vertebrae characteristics (articular processes, spinous processes)

Answer 3

-AP: nearly vertical facets, superior facets posteromedially, inferior facets anterolaterally, mammillary process on posterior surface of AP

-SP: short, thick and ax shaped

Question 4

What is the pars interarticularis?

Answer 4

Region of laminate located between facet joints