Puas yog zygomatic yog cov leeg nqaij ntawm mastication?

Cov txheej txheem:

Puas yog zygomatic yog cov leeg nqaij ntawm mastication?
Puas yog zygomatic yog cov leeg nqaij ntawm mastication?
Anonim

Tus masseter yog ib leeg ntawm mastication. Nws yog ib qho muaj zog quadrangular nqaij leeg los ntawm zygomatic koov thiab ntxig raws lub kaum sab xis thiab sab nraud ntawm lub mandibular ramus. Tus masseter feem ntau yog lub luag haujlwm rau qhov nce ntawm lub mandible thiab qee qhov kev cuam tshuam ntawm mandible.

Cov leeg nqaij ntawm mastication yog dab tsi?

Taw qhia. Thawj cov leeg nqaij ntawm mastication (chewing zaub mov) yog cov temporalis, medial pterygoid, lateral pterygoid, thiab masseter nqaij. Plaub lub ntsiab nqaij leeg ntawm mastication txuas mus rau rami ntawm mandible thiab ua haujlwm kom txav lub puab tsaig (mandible).

Cov leeg twg pab tau mastication?

Muaj plaub leeg: Masseter . Temporalis . Medial pterygoid.

Qhov twg hauv qab no yog cais raws li cov leeg nqaij ntawm mastication?

Cov leeg nqaij masseter yog ib qho ntawm plaub leeg ntawm mastication thiab muaj lub luag haujlwm tseem ceeb ntawm kev kaw lub puab tsaig nrog rau ob lub puab tsaig kaw cov leeg, cov leeg nqaij thiab cov leeg nqaij nruab nrab pterygoid. Plaub masticatory leeg, sab pterygoid, ua rau lub puab tsaig protrusion thiab lub puab tsaig qhib thaum qhib.

YPuas Buccinator yog cov leeg nqaij ntawm mastication?

Cov leeg buccinator tsim cov phab ntsa sab nraud ntawm qhov ncauj kab noj hniav. Nws yog suav tias yog pab mastication los ntawm kev tuav txoj hauj lwm bolus. Xws li ib tug muaj nuj nqi yuav muaj thickening lub puab tsaig, tejzaum nws compressing lubCov pob txha alveolar thiab pab txhawb rau malocclusions.

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