pleurosteon definition

  • noun:
    • The anterolateral piece which articulates the sternum of wild birds.
    • The antero-lateral piece which articulates the sternum of birds.
    • In ornithology, the anterior lateral piece of the breast-bone; that section of the sternum which forms the costal process along with which ribs articulate: distinguished from lophosteon, coracosteon, and metosteon. See slices under carinate and epipleura.
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