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a.1.(Anat.) Of or pertaining to the tympanum and the hyoidean arch.
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The stylohyoid chain extends between the temporal bone and the hyoid bone and is divided into four sections- a) Tympanohyal (forms the base of the styloid process), b) Stylohyal (forms major portion of the styloid process), c) Ceratohyal (forms the stylohyoid ligament), d) Hypohyal (forms the lesser horn of the hyoid bone).
In the embryo, the temporal bone consists of five separate sections: periodic, squamous, tympanic, stylohyal, and tympanohyal.
4) The stylohyoid apparatus has four distinct segments: tympanohyal, stylohyal, ceratohyal, and hypohyal.