Question

which word part means \swayback\?
lord/o kyph/o
spondyl/o vertebr/o

Explanation:

• lord/o: This combining form is related to the medical term "lordosis", which refers to an abnormal inward curvature of the spine (swayback).
• kyph/o: Refers to kyphosis, an abnormal outward curvature of the spine (hunchback).
• spondyl/o: Pertains to the vertebrae (bones of the spine).
• vertebr/o: Also related to the vertebrae.

Answer:

lord/o