Lumbar Vertebrae

Question 1

Body

Answer 1

Massive, kidney-shaped when viewed superiorly, larger and heavier than those of other regions

Question 2

Vertebral foramen

Answer 2

Trianular, larger than in thoracic vertebrae and smaller than in cervical vertebrae

Question 3

Transverse processes

Answer 3

Long and slender, accessory process on posterior surface of base of each process

Question 4

Articular processes

Answer 4

Superior articular facets directed posteromedially (or medially), inferior articular facets directed anterolaterally (or laterally), mammillary processes on posterior surces of each superior articular process.

Question 5

Spinous process

Answer 5

Short and sturdy, hatchet shaped