Supramarginal gyrus

supramarginal gyrus su·pra·mar·gi·nal gyrus (sōō’prə-mär’jə-nəl)
A folded convolution capping the posterior extremity of the lateral sulcus.


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  • Supramastoid crest

    supramastoid crest su·pra·mas·toid crest (sōō’prə-mās’toid’) n. The ridge that forms the posterior root of the zygomatic process of the temporal bone.

  • Supramaxilla

    supramaxilla su·pra·max·il·la (sōō’prə-māk-sĭl’ə) n. pl. su·pra·max·il·lae (-māk-sĭl’ē) The upper jaw or jawbone.

  • Supramaxillary

    /ˌsuːprəmækˈsɪlərɪ/ adjective 1. of or relating to the upper jaw supramaxillary su·pra·max·il·lar·y (sōō’prə-māk’sə-lěr’ē) adj. Of or relating to the upper jaw. Located above the upper jaw.

  • Suprameatal triangle

    suprameatal triangle su·pra·me·a·tal triangle (sōō’prə-mē-āt’l) n. A triangle formed by the root of the zygomatic arch, the posterior wall of the bony external acoustic meatus, and a line connecting the extremities of the first two. It is used as a guide in mastoid operations. Also called Macewen’s triangle.

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