a. Anat. [SUB- 1 b.] Situated under or below a vertebra or the vertebral column.
1851. Mantell, Petrifactions, iv. § 2. 372. The first and second vertebræ are anchylosed together, and have additional sub-vertebral, wedge-shaped bones.
1872. Humphry, Myology, 11. In the deepest stratum of all the muscular fibres with their intermuscular septa extend, under the surface of the bodies of the vertebræ, as far as the middle line…. They … constitute what may be designated a ‘subvertebral rectus.’
1879. Huxley & Martin, Pract. Biol., 165. The sub-vertebral lymph sinus.
