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Cricoid Cartilage

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Cricoid Cartilage 

the unpaired cartilage of the larynx in terrestrial vertebrates and in man, a derivative of the fifth visceral arch. In mammals the broad part of the cricoid cartilage —the quadrate lamina—faces posteriorly; the narrow part—the arch—faces anteriorly. The cricoid cartilage is movably attached to the thyroid and arytenoid cartilages of the larynx above and to the first cartilage of the trachea below.



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Computed tomography (CT) of the neck demonstrated a well-demarcated lyric lesion on the posterior lamina of the cricoid cartilage that measured approximately 1.
The major site of disease is at the cricoid cartilage level, the narrowest part of the trachea.
[FIGURES 2-3 OMITTED] Cricoid pressure (Sellick's manoeuvre) If there are 2 or more rescuers, 1 rescuer may provide pressure on the cricoid cartilage (Sellick's manoeuvre) to prevent air entering the stomach and regurgitation of gastric contents with subsequent pulmonary aspiration.
 
 
 
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