Cricoid cartilage

cricoid cartilage n.
The lowermost of the laryngeal cartilages, expanded into a nearly quadrilateral plate. Also called innominate cartilage.


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  • Cricopharyngeal

    [krahy-koh-fuh-rin-jee-uh l, -juh l, -far-in-jee-uh l] /ˌkraɪ koʊ fəˈrɪn dʒi əl, -dʒəl, -ˌfær ɪnˈdʒi əl/ adjective, Anatomy. 1. of, relating to, or involving the cricoid cartilage and the pharynx. cricopharyngeal cri·co·pha·ryn·ge·al (krī’kō-fə-rĭn’jē-əl, -jəl, -fār’ĭn-jē’əl) adj. Relating to the cricoid cartilage and the pharynx.

  • Cricothyroid

    cricothyroid cri·co·thy·roid (krī’kō-thī’roid’) adj. Relating to the cricoid and the thyroid cartilages.

  • Cricothyroid muscle

    cricothyroid muscle n. A muscle with origin from the anterior surface of the arch of the cricoid, with insertion either upward to the ala of the thyroid or outward to the inferior cornu of the thyroid, with nerve supply from the superior laryngeal nerve, and whose action makes the vocal folds tense.

  • Cricothyrotomy

    cricothyrotomy cri·co·thy·rot·o·my (krī’kō-thī-rŏt’ə-mē) n. Incision through the skin and the cricothyroid membrane for emergency relief of upper respiratory obstruction. Also called intercricothyrotomy.

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