Foramen magnum
Foramen magnum, the opening back in the back of a vertebrate skull through which the spinal cord passes. The foramen magnum of a quadriped, like this beaver, is oriented in a posterior direction to allow the spine to come out parallel to the ground.
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Photo credit: © RanaPics / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: articulation, bone, brain, central, cord, foramen, magnum, mammal, nerves, nervous, opening, skeletal, skull, spinal, stem, system, vertebrae, vertebrate, white
