From para- + lumbar.
paralumbar (not comparable)
- (anatomy) Located next to the lumbar region
2015 July 3, Ueli Braun, Karl Nuss, “Uroperitoneum in cattle: Ultrasonographic findings, diagnosis and treatment”, in Acta Veterinaria Scandinavica[1], volume 57, →DOI:The transducer is placed at the paralumbar fossa and then moved ventrally to the midline.