Axial Skeleton: Vertebrae and Thoracic Cage (Pt 2)

Parts that arent the skull (spine and ribs)

How many vertebrae are there are each of the following regions?

Cervical: 7
Thoracic: 12
Lumbar: 5
Sacrum: 5 (Fused)
Coccyx: 4 (Fused)

How many pair of ribs are there? How many pair of ribs are true ribs?

12 pairs of ribs total (24 total)
7 pair of ribs are true ribs (they connect to the sternum directly)

T/F? The spinous process projects from the posterior side of a vertebra.

True

What type of vertebrae is this?

Lumbar

What type of vertebrae is this?

Thoracic

What type of vertebrae is this?

Axis (C2)

What type of vertebrae is this?

Cervical

What type of vertebrae is this?

Atlas (C1)

Which part is the most superior region of the sternum?

Manubrian

Observe the disarticulated rib. T/F? The arrow points to the posterior end of the rib.

True

The little knobs and facits show it attaches to the vertebrae (aka the posterior side)