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Video: Skull yog dab tsi thiab vim li cas nws thiaj tseem ceeb?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tib neeg pob txha taub hau yog tus qauv pob txha uas tsim lub taub hau hauv tib neeg lub cev pob txha. Nws txhawb nqa cov txheej txheem ntawm lub ntsej muag thiab tsim kab noj hniav rau lub hlwb. Zoo li cov pob txha taub hau ntawm lwm cov vertebrates, nws tiv thaiv lub hlwb los ntawm kev raug mob.
Yog li ntawd, vim li cas lub pob txha taub hau tseem ceeb heev?
Cov pob txha taub hau yog tsim los ntawm ntau cov pob txha fused ua ke. Lawv tsim lub ntiaj teb tshaj plaws tseem ceeb lub kaus mom hlau ntuj thiab tiv thaiv cov khoom hauv qab. Peb lub cev muab rau peb pob txha taub hau thiab txha nraub qaum los tiv thaiv peb lub hlwb thiab txha caj qaum. Nws yog txog koj los tiv thaiv pob txha taub hau thiab qaum.
Ib tus kuj tseem yuav nug, vim li cas thiaj muaj cov qauv ntawm tib neeg pob txha taub hau? Cov sutures yog kev faib nruab nrab ntawm cov pob txha ntawm lub pob txha taub hau . Thaum ntxov hauv lub neej, cov no sutures tso cai rau kev loj hlob ntawm pob txha taub hau thiab lub hlwb, thiab tsuas yog tom qab ntawd lawv fuse ua ke. Qhov no qhia peb tias cov pob txha taub hau tau ua los ntawm ntau cov pob txha me, tsis yog ib pob txha loj.
Ntxiv mus, dab tsi yog pob txha taub hau rau?
A pob txha taub hau , los yog cranium, yog ib txheej ntawm cov pob txha uas ua rau lub taub hau ntawm ib tug vertebrate thiab nyob rau hauv txhua qhov chaw ntawm lub cev nyob rau hauv lub taub hau. Nws txhawb cov txheej txheem ntawm lub ntsej muag thiab tsim cov kab noj hniav tiv thaiv rau lub hlwb.
Lub pob txha taub hau txuas rau dab tsi?
Cov pob txha pob txha taub hau yog txuas rau ib leeg nrog kev pab ntawm fibrous junctions hu ua sutures. Cov pob txha pob txha taub hau loj hlob thiab fuse ua ke thaum lub sij hawm fetal thiab me nyuam txoj kev loj hlob, tsim ib leeg pob txha taub hau . Txawm li cas los xij, lub mandible tseem cais tawm ntawm lwm tus pob txha taub hau.
Pom zoo:
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