The sacral and the coccygeal vertebrae

Illustration of the sacrum and the coccyx. Frontal and dorsal view of bones.

Term name Layer
1 Auricular surface Layer 1
2 Auricular surface Layer 1
3 Sacrococcygeal joint Layer 1
4 Coccygeal cornu Layer 1
5 Coccyx [Coccygeal vertebrae I - IV] Layer 1
6 Sacral hiatus Layer 1
7 Sacral cornu; sacral horn Layer 1
8 Lateral sacral crest Layer 1
9 Intermediate sacral crest Layer 1
10 Median sacral crest Layer 1
11 Sacral tuberosity Layer 1
12 Lateral part Layer 1
13 Apex Layer 1
14 Superior articular process Layer 1
15 Superior articular process Layer 1
16 Transverse ridges Layer 1
17 Base Layer 1
18 Base Layer 1
19 Posterior sacral foramina Layer 1
20 Anterior sacral foramina Layer 1
21 Sacral canal Layer 1