Lub tympanomastoid fissure yog ib qho ntawm cov pob txha sab hauv ntawm lub cev, nyob rau tib lub sijhawm thiab tom qab mus rau lub pob txha sab nraud auditory kwj dej, faib cov tympanic ib feem ntawm cov pob txha ntawm lub cev thiab mastoid. txheej txheem.
Cov pob txha ntawm lub cev nyob qhov twg?
Cov pob txha ntawm lub cev yog nyob ntawm ob sab thiab lub hauv paus ntawm lub cranium thiab lateral mus rau sab nqaij daim tawv ntawm lub cerebrum. Cov pob txha ntawm lub cev yog ib qho tseem ceeb tshaj plaws ntawm cov pob txha calvarial thiab pob txha taub hau.
pob txha tympanic yog dab tsi?
: ib pob txha ntawm lub pob txha taub hau ntawm cov tsiaj nyeg uas ntim ib feem ntawm pob ntseg nruab nrab, txhawb nqa lub tympanic membrane, thiab feem ntau fused nrog cov pob txha ntawm lub cev.
Stylomastoid foramen yog dab tsi?
Lub stylomastoid foramen yog ib puag ncig qhib ntawm qhov kawg ntawm lub ntsej muag kwj dej. Nws nyob rau ntawm qhov chaw tsis zoo ntawm cov pob txha ntawm lub cev nqaij daim tawv, nruab nrab ntawm lub hauv paus ntawm cov txheej txheem styloid thiab cov txheej txheem mastoid ntawm cov pob txha ntawm lub cev.
txheej txheem mastoid ua li cas?
Cov txheej txheem mastoid nyob rau hauv qhov chaw tom qab ntawm cov pob txha ntawm lub cev. Nws yog ib qho ntawm ob qhov projections nyob tom qab pob ntseg. Cov txheej txheem mastoid muab kev txuas rau qee cov leeg ntawm caj dab.
