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[kos-tl, kaws-tl] /ˈkɒs tl, ˈkɔs tl/

Anatomy. pertaining to the ribs or the upper sides of the body:
costal nerves.
Botany, Zoology. pertaining to, involving, or situated near a .

“pertaining to the ribs,” 1630s, from French costal (16c.), from Medieval Latin costalis, from costa “a rib” (see coast (n.)).


Read Also:

  • Costal angle

    costal angle n. See angle of rib.

  • Costal arch

    costal arch n. The portion of the lower opening of the chest formed by the cartilages of the seventh to tenth ribs.

  • Costal cartilage

    costal cartilage n. The cartilage forming the anterior continuation of a rib.

  • Costalgia

    costalgia cos·tal·gi·a (kŏ-stāl’jē-ə, -jə) n. Pain in the ribs.

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