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scoliosis vs. lordosis

[skoh-lee-oh-sis, skol-ee-] / ˌskoʊ liˈoʊ sɪs, ˌskɒl i- /

noun

Pathology.
  1. an abnormal lateral curvature of the spine.

[lawr-doh-sis] / lɔrˈdoʊ sɪs /

noun

  1. Pathology. an abnormal forward curvature of the spine in the lumbar region, resulting in a swaybacked posture.

  2. a posture assumed by some female mammals during mating, in which the back arches downward.