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Dictionary · Word part

cost/o

A word part that means rib.

KOS-toh root

What it means

The combining form for the ribs. intercostalin-ter-KOS-tulBetween the ribs.inter- betweencost/o rib-al relating toFull entry means between the ribs, subcostal means below the ribs, costochondritis is inflammation where the ribs join the breastbone, and the costovertebral angle is the spot on the back where the lowest rib meets the spine, over the kidney.

At a glance

Also writtencost-

Related terms

thoracic

Relating to the chest, or to the middle part of the spine.

intercostal

Between the ribs.

thorac/o

A word part that means the chest.

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