The Collaborative International Dictionary
Subvertebral
Subvertebral \Sub*ver"te*bral\, a. (Anat.) Situated beneath, or on the ventral side of, the vertebral column; situated beneath, or inside of, the endoskeleton; hypaxial; hyposkeletal.
Wiktionary
subvertebral
a. 1 (context anatomy English) Situated beneath, or on the ventral side of, the vertebral column. 2 (context anatomy English) Situated beneath, or inside of, the endoskeleton; hypaxial; hyposkeletal.