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Copy of 09.16.20 (Sync and Async) - Vertebral Column and Thorax Bones (5/28/2026)

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Vertebral Column and Thorax

Objective: to identify the bones, processes, fossa, sutures, and other landmarks found in the human vertebral column and thorax

Part 1: The Vertebral Column

For Part 1 (questions 1-8), use the video below and the textbook to label and color diagrams and answer a set of questions.

Question 1
1.

The Vertebral Column

Use the video to color the diagram below using the key provided. Then label the diagram with the following structures:
  • cervical curvature
  • intervertebral disk
  • atlas
  • axis
  • coccyx
  • thoracic curvature
  • sacrum
  • lumbar curvature

Question 2
2.

The Vertebrae

The illustrations below are of individual vertebrae. Two of the illustrations, A and B, are of the first two cervical vertebrae. Illustrations C and D are of typical lumbar and cervical vertebrae, respectively.
Identify and label the following structures. Some may be used on more than one illustration:
  • vertebral foramen (also known as the spinal foramen)
  • spinous process
  • body
  • pedicle
  • superior articular facet
  • dens
  • transverse foramen
  • transverse process

Question 3
3.

The Sacrum

The sacrum represents a unique feature of the vertebral column in that it is composed of fused vertebrae. Label the following structures on the illustration below:
  • coccyx
  • superior articulating surface
  • sacral canal
  • sacral hiatus
  • sacral foramina
  • sacral crest

Question 4
4.

Compare and contrast the atlas and the axis

Question 5
5.

Question 6
6.

Question 7
7.

Question 8
8.

Draggable itemarrow_right_altCorresponding Item
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Part 2: The Thorax

For part 2 (questions 9-??), use the video below to and the textbook to label and color the diagrams and answer a set of questions.

Question 9
9.

Thoracic Cage

Use the video to color the diagram below using the key provided. Then label the diagram with the following structures:
  • xiphoid
  • body
  • manubrium
  • floating ribs
  • vertebrochondral ribs

Question 10
10.

Question 11
11.

Question 12
12.

What is the cartilage connecting ribs to the sternum called, and why is it important?

Question 13
13.

Why are ribs 11-12 called floating ribs?

Part 3: Extension

Apply your understanding of the vertebral column and thorax to answer questions 14-15
Question 14
14.

Exmine the spine in the MRI below of a patient's lumbar vertebrae:

What do you think is wrong with this patient's spine (in general - not the exact name!), and what symptoms might they experience?

How and why might the bodies and spinal foramens of vertebrae change size as we move down the vertebral column (excluding the sacram and coccyx)?
The spinal foramen increase in size from top to bottom because the spinal cord gets larger. The bodies decrease in size from top to bottom because the bottom vertebrae bear less weight.
The spinal foramen increase in size from top to bottom because the spinal cord gets smaller. The bodies decrease in size from top to bottom because the bottom vertebrae bear more weight.
The spinal foramen decrease in size from top to bottom because the spinal cord gets smaller. The bodies increase in size from top to bottom because the bottom vertebrae bear more weight.
The spinal foramen decrease in size from top to bottom because the spinal cord gets larger. The bodies increase in size from top to bottom because the bottom vertebrae bear less weight.
Categorize the number of vertebrae in each vertebral region, as well as characteristics of the vertebrae found in this region.
have the largest body of all vertebrae
4 fused vertebrae
first two vertebrae have special names: the atlas and the axis
help to form pelvic girdle (along with hip bones)
have large transverse processes to allow for the attachment of ribs
12 separate vertebrae
attach to muscles of the pelvic floor
5 fused vertebrae
have a large spinal foramen and small spinous process
7 separate vertebrae
5 separate vertebrae
Cervical
Thoracic
Lumbar
Sacral
Coccyx
Which regions of the vertebral column are normally arranged wth an anteriorly concave curve?
cervical
thoracic
lumbar
sacrum
coccyx
Match the following terms with their descriptions
body
process on the axis that acts as a pivot for the atlas to move around
transverse foramen
drum-shaped portion of a vertebrae designed to bear weight
transverse process
the opening within a vertebrae, through which the spinal cord passes
sacral crest
the most posterior part of an individual vertebrae
spinous process
large surface on the thoracic vertebrae that allow for the attachment of ribs
superior articular facet
the fused spinous processes of the sacrum
dens
surface of the atlas that makes contact with the occipital bone of the skull
vertebral foramen
the openings within vertebrae through which vertebral arteries and veins pass
There are a total of 24 pairs of ribs.
True
False
Ribs numbered ___ to ___ attach directly to the sternum and are called ___.
1-7; false
1-7; true
11-12; floating
8-10;