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  Indian J Med Microbiol
 

Figure 2: (a and b) The thyrohyoid membrane level. (1) A-M air mucosal interface (2) PRE-pre epiglottis space (3) Yellow dotted line denote the distance from skin to epiglottis midway between hyoid bone and thyroid cartilage

Figure 2: (a and b) The thyrohyoid membrane level. (1) A-M air mucosal interface (2) PRE-pre epiglottis space (3) Yellow dotted line denote the distance from skin to epiglottis midway between hyoid bone and thyroid cartilage