Cov pob qij txha feem ntau yog cov pob qij txha, xws li hauv caug thiab pob taws. Tag nrho cov pob qij txha synovial tso cai rau kev txavthiab raug mob caj dab.
Cov pob qij txha twg tsis yog synovial?
Nonsynovial joints:
- Kuj hu ua kev sib koom ua ke lossis synarthrosis.
- Tsis muaj qhov sib koom ua ke.
- Muab kev ncaj ncees thiab kev txav me me.
- Y Tej zaum yuav yog fibrous / synarthrosis (cranial sutures, bonds ntawm cov hauv paus hniav ntawm cov hniav thiab cov pob txha puab tsaig) los yog cartilaginous / amphiarthrosis (manubriosternalis thiab pubic)
Cov pob qij txha twg yog synovial?
Cov sib txawv ntawm cov pob qij txha sib txawv yog pob-thiab-qhov sib koom tes (lub xub pwg sib koom tes), pob khawm (lub hauv caug), pivot sib koom (atlantoaxial leeg, ntawm C1 thiab C2 vertebrae ntawm lub caj dab), condyloid pob qij txha (radiocarpal sib koom ntawm lub dab teg), eeb pob qij txha (thawj carpometacarpal sib koom, nruab nrab ntawm cov pob txha trapezium carpal thiab …
Puas yog cov pob qij txha synovial feem ntau sib koom ua ke?
Synovial pob qij txha yog hom kev sib koom ua ke ntau tshaj plaws hauv lub cev (saib duab 1). Cov pob qij txha no yog hu ua diarthroses, txhais tau tias lawv muaj kev ywj pheej. Tus yam ntxwv tseem ceeb ntawm kev sib koom tes synovial uas tsis pom ntawm cov pob qij txha los yog pob txha mos yog qhov muaj cov kab noj hniav sib koom.
4 hom pob qij txha yog dab tsi?
Yuav ua li cas sib txawv ntawm cov pob qij txha?
- Pob-thiab-socket pob qij txha. Pob-thiab-socket pob qij txha, xws li lub xub pwg nyom thiab lub duav pob qij txha, tso cai rov qab, rau pem hauv ntej, sab, thiab rotating txav.
- pob qij txha. …
- Pivot pob qij txha. …
- Ellipsoidal pob qij txha.