Lab 3 - Vertebrae

Question 1

Cervical Vertebra

Answer 1

vertebrae of the neck
-have large lateral holes
-smallest vertebrae/vertebral body

Question 2

Thoracic Vertebra

Answer 2

vertebra of the thorax
-long and pointed spinous process

Question 3

Lumbar Vertebra

Answer 3

vertebrae of lower back
-largest vertebrae
-round and short spinous process

Question 4

Sacrum

Answer 4

triangular shaped bone composed of five fused bones
-posterior position of the pelvis

Question 5

coccyx

Answer 5

series of small bones inferiorly attached to the sacrum
-“tail bone”

Question 6

Atlas

Answer 6

C1: first cervical vertebra
-no vertebral body
-directly inferior to skull

Question 7

Axis

Answer 7

second vertebra
-inferior to the atlas

Question 8

Dens of Axis

Answer 8

small superior projection in place of the vertebral body

Question 9

Vertebral Body

Answer 9

anterior block-like mass of vertebra
-main weight-bearing component

Question 10

Vertebral Canal

Answer 10

large foramen/hole of the vertebra
-opening that the spinal cord passes through

Question 11

Intervertebral disk

Answer 11

cartilaginous disc between vertebral bodies that allow for slight movement
-hold vertebrae together
act as a cushion