Can You Spot the Scottie Dog?

Which type of joint is classified as synovial in the vertebral column?

What is the Scottie dog appearance in lumbar radiographs?

Which structure in the Scottie dog projection forms the nose of the dog?

Which type of joint is the intervertebral joint in the vertebral column?

What is the classification of zygapophyseal joints in the vertebral column?

What is the Scottie dog appearance in lumbar radiographs?

What part of the Scottie dog is formed by one pedicle?

Which of the following is not a component of the Scottie dog in lumbar radiographs?

What is the pars interarticularis in the lumbar vertebrae projection?

What is the zygapophyseal joint in the lumbar vertebrae projection?

Joint Types in the Vertebral Column

Synovial joints are classified within the vertebral column, specifically at the zygapophyseal joints.
Intervertebral joints are classified as cartilaginous joints, allowing limited movement between vertebrae.

Scottie Dog Appearance

The Scottie dog appearance in lumbar radiographs refers to a specific imaging sign used to identify certain spinal conditions.
Key components of the Scottie dog include the body, head, legs, and tail, visually resembling a dog.

Components of the Scottie Dog Projection

The nose of the Scottie dog in radiographs is formed by the transverse process of the lumbar vertebra.
One pedicle contributes to forming the eye of the Scottie dog, while the superior articular process forms the top of the head.

Anatomical Features

The pars interarticularis is a crucial bony structure located between the superior and inferior articular processes of a lumbar vertebra, significant in identifying spondylolysis.
The zygapophyseal joint in lumbar projection refers to the synovial joint formed by the articulation of the superior and inferior articular processes of adjacent vertebrae.

Miscellaneous

Not all components, such as the facet joints or spinous processes, are considered part of the Scottie dog in lumbar radiographs.

"Spot the Scottie Dog: Test Your Knowledge on Lumbar Vertebrae Anatomy" - Take this quiz to see if you can recognize the appearance of the "Scottie Dog" in lumbar vertebrae when seen in an oblique position. Test your imagination and knowledge on bone structures with this anatomy quiz.