left lumbar lymph nodes

left lum·bar lymph nodes

[TA] the chain of lymph nodes associated with the aorta in the abdomen; it is divided into three groups: lateral aortic lymph nodes on the left of the aorta; preaortic lymph nodes in front of the aorta; and postaortic lymph nodes, behind the aorta. Synonym(s): nodi lymphoidei lumbales sinistri [TA], aortic lymph nodes