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Monahan
Sacrum/Coccyx
| Question | Answer |
|---|---|
| How many sacral vertebrae fuse to form the sacrum? | five |
| How many coccygeal vertebrae fuse to form the coccyx? | four |
| The sacrum and coccyx form with vertebral curvature? | pelvic |
| What is the tip of the sacrum called? | apex |
| The superior articulating processes of the sacrum join with which features on L5? | inferior articulating processes |
| Name the opening at the superior end (base) of the sacrum that extends the length of the sacrum. | sacral canal |
| Name the opening at the inferior end (apex) of the sacrum. | sacral hiatus |
| What is formed from the spinous processes of the sacral vertebrae once they have fused? | median sacral crest |
| Name the openings on the anterior and posterior surfaces of the sacrum. | sacral foramina (ventral and dorsal) |