Vertebral Column and Thoracic Cage Lab Book

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?

atlas

The first vertebra is also called what?

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 stronges bodies.

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

support pectoral girdle and upper limbs, protect the viscera in the thoracic and upper abdominal cavities, play a role in breathing.