VERTEBRAL COLUMN Flashcards
Describe the vertebral body
-Weight bearing part
-Spongy bone covered in compact bone
-Superior and inferior surfaces covered in hyaline cartilage
Attaches the vertebral body to the vertebral arch
Pedicle
Forms the vertebral canal
Vertebral foramen
Vertebral canal consist of
Spinal cord
Projects posterior at the junction of two laminae
Spinous process
Projects posterolaterally at the junction of peicle and lamina
Transverse process
Layers of the meninges
Dura mater
Arachnoid mater
Pia mater
Separates the dura mater from bone
Epidural space
Separates arachnoid mater from pia mater
Subarachnoid space
Innermost layer
Pia mater
How many pairs of spinal nerves are there
31 spinal nerve
Emerges from intervertebral foramina
Spinal nerve
Has no vertebral body
C1 Atlas
What does the lateral masses of C1 vertebra articulate with
Occipital condyles superiorly and superior articular surface of C2 inferiorly
Has posterior and anterior arch
C1 Atlas