lumbar vertebrae L1-L5

lum·bar ver·te·brae [L1-L5]

[TA] the vertebrae, usually five, located in the lumbar region of the back. Synonym(s): vertebrae lumbales [LI-LV] [TA]

lum·bar ver·te·brae [L1-L5]

(lŭm'bahr vĕr'tě-brē) [TA] The vertebrae, usually five in number, located in the lumbar region of the back.
Synonym(s): vertebrae lumbales [L1-L5].