(a)- tongue
(b)- inferior concha
(c)- danger space #4
(d)- alar fascia
(e)- oropharynx
(f)- epiglottis
Alar fascia- anterior subdivision of prevertebral fascia
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(a)- tongue (b)- inferior concha (c)- danger space #4 (d)- alar fascia (e)- oropharynx (f)- epiglottis
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