| cricothyroid | <anatomy, muscle> Origin, anterior surface of arch of cricoid; insertion, the anterior or straight part passes upward to ala of thyroid; the posterior or oblique part passes more outward to inferior horn of thyroid; action, makes vocal folds tense increasing the pitch of voice tone; nerve supply, external laryngeal branch of superior laryngeal nerve (from vagus). Synonym: musculus cricothyroideus. (05 Mar 2000) |
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| cricothyroid artery | <anatomy, artery> A small branch of the superior thyroid artery that supplies the cricothyroid muscle. Synonym: ramus cricothyroideus. (05 Mar 2000) |
| cricothyroid articular capsule | The capsule enclosing the cricothyroid joint. Synonym: capsula articularis cricothyroidea. (05 Mar 2000) |
| cricothyroid articulation | The synovial articulation between the inferior horn of the thyroid cartilage and the side of the cricoid cartilage. Synonym: articulatio cricothyroidea, cricothyroid articulation. (05 Mar 2000) |
| cricothyroid joint | The synovial articulation between the inferior horn of the thyroid cartilage and the side of the cricoid cartilage. Synonym: articulatio cricothyroidea, cricothyroid articulation. (05 Mar 2000) |
| cricothyroid ligament | <anatomy> The strong band that connects the cricoid and thyroid cartilages in the midline anteriorly; it is continuous posteriorly with the conus elasticus. Synonym: conus elasticus, ligamentum cricothyroideum. (05 Mar 2000) |
| cricothyroid membrane | <anatomy> An elastic membrane which lies anteriorly in the neck adjacent the cricoid cartilage and the first tracheal ring. This is the membrane which is pierced or incised when performing a cricothyroidotomy. (13 Nov 1997) |
| cricothyroideus | See: cricothyroid muscle. (05 Mar 2000) |
| cricothyroidotomy | <procedure, surgery> An emergency procedure where a cut or passageway is made in the cricothyroid membrane. (27 Sep 1997) |
| cricothyrotomy | Incision through the skin and cricothyroid membrane for relief of respiratory obstruction; used prior to or in place of tracheotomy in certain emergency respiratory obstructions. Synonym: coniotomy, cricothyroidotomy, inferior laryngotomy, intercricothyrotomy. Origin: cricoid + thyroid + G. Tome, incision (05 Mar 2000) |
| cricotomy | Division of the cricoid cartilage, as in cricoid split, to enlarge the subglottic airway. Origin: cricoid + G. Tome, incision (05 Mar 2000) |
| cricotracheal ligament | <anatomy> A midline fibrous band connecting the cricoid cartilage with the first ring of the trachea. Synonym: ligamentum cricotracheale, cricotracheal membrane. (05 Mar 2000) |
| cricotracheal membrane | <anatomy> A midline fibrous band connecting the cricoid cartilage with the first ring of the trachea. Synonym: ligamentum cricotracheale, cricotracheal membrane. (05 Mar 2000) |
| cricovocal membrane | Thicker lower portion of the elastic membrane of the larynx, extending between the cricoid cartilage and the vocal ligaments, the latter actually being a thickening of the free, superior margin of the conus elasticus. Synonym: cricovocal membrane, elastic cone. Synonym: cricothyroid ligament. (05 Mar 2000) |