Exam 1 - Organization of the Vertebra Flashcards
What are the three basic osseous parts of a vertebra?
the vertebral body
vertebral arch
apophyseal regions
What is the general shape of the vertebral body at each region of the spine?
cervical - rectagular
thoracic - triangular
lumbar - reniform
What is the name given to the compact bone at the superior and inferior surfaces of the vertebral body?
superior epiphyseal rim
inferior epiphyseal rim
What is the name given to the cartilage found at the superior and inferior surface of a developing vertebral body?
Superior epiphyseal plate
inferior epiphyseal plate
What are the names of the openings found around the margins of the vertebral body?
nutrient foramina or vascular foramina
What large opening is usually observed at the back of the vertebral body?
the basivertebral venous foramen
What is the name given to the anterior part of the vertebral arch?
the pedicle
What is the name given to the posterior part of the vertebral arch?
the lamina
What is the name of the feature located at the upper and lower surfaces of the pedicle?
the superior vertebral notch / superior vertebral incisure
the inferior vertebral notch / inferior vertebral incisure
What is the generic orientation of the pedicle at each region of the spine?
Cervical - posterolateral
Thoracic - posterior, slight lateral
Lumbar - posterior
All lamina are oriented in what direction?
posterior and median
What is the name given to the overlap of laminae seen on X-ray?
shingling
What ligament will attach to the lamina?
the ligamentum flavum
what is the name given to abnormal bone at the attachment site of the ligamentum flavum?
para-articular process
What classification of bone will para-articular processes represent?
accessory bone