Qhov twg elevates lub mandible?

Cov txheej txheem:

Qhov twg elevates lub mandible?
Qhov twg elevates lub mandible?

Video: Qhov twg elevates lub mandible?

Video: Qhov twg elevates lub mandible?
Video: The Science of How to Optimize Testosterone & Estrogen | Huberman Lab Podcast #15 2024, Hlis ntuj nqeg
Anonim

Kev ua haujlwm ntawm cov leeg nqaij masseter cov leeg masseter yog ib qho ntawm cov leeg nqaij ntawm mastication. Nws yog lub cev muaj zog quadrangular leeg los ntawmlub 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. https://www.ncbi.nlm.nih.gov › books › NBK539869

Anatomy, Lub taub hau thiab caj dab, Masseter Muscle - StatPearls - NCBI Bookshelf

yog txhawm rau txhim kho lub mandible thiab kwv yees cov hniav-ntxiv, cov leeg nqaij nruab nrab thiab sib sib zog nqus ntawm cov masseter muaj nuj nqi kom thim rov qab lub mandible. Thiab cov fibers superficial ua haujlwm rau protrude lub mandible.

Cov leeg twg txhawb nqa cov lus nug mandible?

Cov ntsiab lus hauv cov teeb no (4)

  • Masseter" (Maseter) …
  • Temporalis (Tempora) Kev Ua: nce thiab thim rov qab mandible. …
  • Medial pterygoid. (Pterygoid) Kev Ua: Ua kom siab thiab ua kom muaj zog; ua rau sab mus rau sab txav ntawm mandible. …
  • Lateral pterygoid(Pterygoid)

Cov nqaij ntshiv twg thiab ua rau lub siab mandible?

Ntawm tag nrho plaub leeg ntawm mastication (medial pterygoid, lateral pterygoid, masseter, thiab temporalis), lub lateral pterygoid yog tib leeg nqaij uas ua rau lub siab mandible. Qhov kev txiav txim ntawm tag nrho peb lwm cov leeg nqaij ntawm mastication ua rau nce ntawm mandible.

Lub paj hlwb twg ua rau lub mandible thaum zom?

Cov leeg nqaij nruab nrab pterygoid yog innervated los ntawm cov ceg nruab nrab pterygoid ntawm cov hlab ntsha mandibularNws cov ntshav tseem ceeb yog los ntawm cov ceg pterygoid ntawm cov hlab ntsha maxillary. Lub luag haujlwm tseem ceeb ntawm cov leeg no yog qhov siab ntawm lub mandible thiab sab-rau-sab txav thaum sib tsoo thiab zom.

Cov paj hlwb twg muaj feem cuam tshuam rau kev ua mastication?

Cov paj hlwb trigeminal (V) yog cov paj hlwb loj tshaj plaws, thiab nws muaj ob qho tib si kev hnov lus thiab lub cev muaj zog. Lub cev muaj zog faib ntawm cov hlab ntsha trigeminal, uas muaj nws tus kheej nucleus nyob rau hauv lub pons, innervates "cov leeg nqaij ntawm mastication" thiab kuj tensor nqaij ntawm lub tympanic daim nyias nyias ntawm pob ntseg.

Pom zoo: