Vertebrae of the Spine (Quiz 3) Flashcards
What is the inferior aspect of the adult spinal column?
coccygeal region
What is the superior aspect of the adult spinal column?
cervical region
How many vertebrae make up the spinal column?
33
How many vertebrae are in the cervical region?
7
How many vertebrae are in the thoracic region?
12
How many vertebrae are in the lumbar region?
5
How many vertebrae are in the sacral region?
5
How many vertebrae are in the coccygeal region?
4
All vertebrae are articulating in the adult spine except the….
5 sacral vertebrae which are fused in the adult
IVDs are located between vertebrae from the inferior aspect of _____ to the superior aspect of ____
C2, S1
Significant motion can occur between cervical, thoracic, lumbar, and the first sacral vertebrae due to synovial joint articulation. What are these synovial joints called?
zygopophyseal facet joints
What are the functions of the spinal column?
-protect the spinal cord
-supports the weight and transmits it to the pelvis and lower limbs
What does kyphotic curve mean? Where are kyphotic curves in spine?
-convexity of curve projects posteriorly
-thoracic and sacral regions are kyphotic
What does lordotic curve mean? Where are lordotic curves in spine?
-convexity of curve projects anteriorly
-cervical and lumbar regions are lordotic
The typical vertebrae consist of a vertebral body, a vertebral arch, and ___ processes
7
The vertebral body is the large, cylindrical somewhat oval shaped ________ portion of the vertebrae
anterior
What is the function of the vertebral body?
supports the weight of the body and gives strength to the vertebral column
The posterior side of the _____________ forms the anterior boundary of the vertebral foramen
vertebral body
The vertebral bodies of adjacent vertebrae in an articulated vertebral column are joined together by….
IVDs
There is a ring surrounding the central cancellous bone on periphery of the superior and inferior surfaces of the adult vertebral body called the epiphyseal rim. This epiphyseal rim is a remnant of the…
anular epiphysis
Projecting posteriorly from the body of the vertebra is a “U” shaped bony structure called the ______________
vertebral arch
The vertebral arch is formed by 2 _________ and 2 _______
pedicles, laminae
The pedicles form the lateral wall of the vertebral arch, and the lamina form the ___________ wall
posterolateral (mostly posterior)
The vertebral arch and the posterior margin of the vertebral body form a large hole called the….
vertebral foramen