Intervertebral foramina
Intervertebral foramina are indicated by arrows.
This is a drawing of a spinal column. The intervertebral foramina are depicted as a small opening between every pair of spinal vertebrae, giving passage to the spinal nerve.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Foraminaintervertebralia."
http://en.wikipedia.org/wiki/File:Foraminaintervertebralia.png
Wikipedia
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