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An anteriorly convex curvature of the vertebral column; the normal lordoses of the cervical and lumbar regions are secondary curvatures of the vertebral column, acquired postnatally.
[G. lordōsis, a bending backward]
A surface or structure that resembles a seat used to ride a horse. The base of artificial dentures is often referred to as a saddle.
The portion of the buttocks, perineum, and thighs that comes in contact with the seat of the saddle when one rides a horse.