Failures of duct removal surgeries have proven that the suprahyoid region of the duct can have many microscopic branches that connect to the base of the tongue.
3.
A broad aponeurotic layer is given off from the tendon of the digastricus on either side, to be attached to the body and greater cornu of the hyoid bone; this is termed the suprahyoid aponeurosis.
4.
The pharynx is pulled upwards and forwards by the suprahyoid and longitudinal pharyngeal muscles stylopharyngeus ( IX ), salpingopharyngeus ( pharyngeal plexus IX, X ) and palatopharyngeus ( pharyngeal plexus IX, X ) to receive the bolus.
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