Vertebral Column and Thoracic Cage

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Terms in this set (...)

spinal cord
The vertebral column encloses and protects what?
26
The number of separate bones in the vertebral column of an adult is
vertebral prominens
The seventh cervical vertebra is called the....and has an obvious spinous process surface feature that can be palpated.
body
What part of the vertebrae supports the weight of the head and trunk?
intervertebral discs
What separates adjacent vertebrae, and they soften the forces created by walking?
Spinal nerves
The intervertebral foramina provide passageways for what?
cervical
The transverse foramina of what vertebrae serve as passageways for blood vessels leading to the brain?

Oval body
atlas
The first vertebra is also called what?

Articulates with occipital condyles.
dens
When the head is moved from side to side, the first vertebra pivots around the ... of the second vertebra.
lumbar
This vertebrae has the largest and strongest bodies.

Blade-like transverse processes.
five
The number of vertebrae that fuse to form the sacrum is ...
206
The adult skeleton of most men and women contains how many bones?
floating
The last tow pairs of ribs that have no cartilaginous attachments to the sternum are sometimes called what?
seven
How many pairs of true ribs are there?
cervical vertebra
7, small, thin, usually forked, c7 has noticable spinous process, transverse formina: present
thoracic vertebra
12, medium, steeply angled, usually pointy, transverse foramina: absent
lumbar vertebra
5, large, flat/blunt, straight, transverse foramina: absent
hyaline cartilage
Costal cartilages are composed of what kind of tissue?
clavicles
The manubrium articulates with the .... on its superior border.
3 functions of the thoracic cage
1. support pectoral girdle and upper limbs
2. protect the viscera in the thoracic
3. upper abdominal cavities, play a role in breathing.
4 Spinal Curves
Cervical
Thoracic
Lumbar
Sacral
5 Vertebral regions
Cervical
Thoracic
Lumbar
Sacral
Coccygeal
Thoracic
Vertebrae with a heart-shaped body.
Axis
Articulates with atlas
Functions of Sacrum
*protects pelvic organs
*base articulates with lumbar vertebra
*Apex articulates with coccyx
Components of Thoracic Cage
*Thoracic vertebrae
*Ribs:
*7 pairs of true ribs
*Cartilaginous joint with sternum
*5 pairs of false ribs
*Sternum
*Manubrium, body, xiphoid process