Arch of Cricoid Cartilage Anatomy in 3D

The narrow anterior part of the cricoid ring. It is the only complete cartilaginous ring in the airway; the cricothyroid membrane sits just above it, making it the primary site for emergency cricothyrotomy.

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Related structures

Cricoid Cartilage Lamina of Cricoid Cartilage Abdominal Part of Pectoralis Major Muscle (Costal Cartilage of Seventh Rib Origin) Anterior Arch of Atlas Internal Abdominal Oblique Muscle (Costal Cartilage of Tenth Rib Origin) Lamina of Vertebral Arch Medial Part of Longitudinal Arch of Foot Pars Interarticularis of Vertebral Arch