Definition : The anterior concavity in the curvature of the lumbar and cervical spine as viewed
from the side. The term usually refers to abnormally increased curvature (hollow back,
saddle back, swayback). It does not include lordosis as normal mating posture in certain
animals ( posture sex behavior, animal). [MeSH];
The anterior concavity in the curvature of the lumbar and cervical spine as viewed
from the side. The term usually refers to abnormally increased curvature (hollow back,
saddle back, swayback). It does not include lordosis as normal mating posture in certain
animals ( posture sex behavior, animal). [MeSH]