SACRUM MODEL (copy)

1

body of first sacral vertebrae

2F

transverse ridges, site of vertebral fusion

3F

anterior sacral foramina, passage of blood vessels and nerves

4F

apex, articulates with coccyx

5F

sacral promontory, articulates with L5

6F

sacral ala, fused transverse processes

The sacrum articultes with ____ superiorly and articulate with the ____ inferiorly.

L5, coccyx

what view of the sacrum is this?

anterior

what view of the sacrum is this?

posterior

1F

sacral ala, fused transverse processes

2F

median sacral crest, fused spinous processes

3F

posterior sacral foramina, passage of blood vessels and nerves

4F

sacral hiatus, exit point for S4 and S5

5

transverse sacral crest

6F

auricular surface, articulates with ilium of pelvis

7F

superior articular process, articulates with inferior articular process of L5

8F

sacral body, articulates to L5

9F

sacral canal, houses spinal cord meninges

the coccyx is made up of

3-5 fused vertebrae