any of numerous fishes of the extinct order Arthrodira, widely distributed during the Devonian Period, having the anterior part of the body covered by a shield of bony plates.


Read Also:

  • Arteriomyomatosis

    arteriomyomatosis arteriomyomatosis ar·te·ri·o·my·o·ma·to·sis (är-tēr’ē-ō-mī’ō-mə-tō’sĭs) n. An overgrowth of irregular muscular fibers causing a thickening of the walls of an artery.

  • Arterionephrosclerosis

    arterionephrosclerosis arterionephrosclerosis ar·te·ri·o·neph·ro·scle·ro·sis (är-tēr’ē-ō-něf’rō-sklə-rō’sĭs) n. Variant of arterial nephrosclerosis.

  • Arteriomotor

    arteriomotor arteriomotor ar·te·ri·o·mo·tor (är-tēr’ē-ō-mō’tər) adj. Relating to or causing changes in the caliber of an artery.

  • Arteriolosclerosis

    arteriolosclerosis arteriolosclerosis ar·te·ri·o·lo·scle·ro·sis (är-tēr’ē-ō’lō-sklə-rō’sĭs) n. Arteriosclerosis mainly affecting the arterioles.

Disclaimer: Arthrodire definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.