- primordial costal arches
- arches formed in the embryo from costal processes of the vertebrae, later developing into ribs.
Medical dictionary. 2011.
primordial costal arches
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Cartilage — Firm, rubbery tissue that cushions bones at joints. A more flexible kind of cartilage connects muscles with bones and makes up other parts of the body, such as the larynx and the outside parts of the ears. * * * A connective tissue characterized… … Medical dictionary
