Nws yog cov nqaij tawv tab sis softer thiab ntau yoog raws li pob txha. Pob txha mos yog cov ntaub so ntswg uas muaj nyob hauv ntau qhov chaw ntawm lub cev nrog rau: Cov pob txha ntawm cov pob txha xws li. lub luj tshib, hauv caug thiab pob taws. Xaus ntawm tav.
Puas yog pob txha mos yog pob txha?
pob txha mos yog cov ntaub so ntswg hloov tau yooj yim uas txawv ntawm pob txha ntau txoj hauv kev; nws yog avascular thiab nws cov microarchitecture yog tsawg dua cov pob txha. … Cov hom cell tseem ceeb hauv pob txha mos yog chondrocytes, cov khoom hauv av yog chondroitin sulfate, thiab cov ntaub qhwv fibrous hu ua perichondrium.
hom pob txha mos yog pob txha?
Nyob hauv lub embryo, pob txha pib li hyaline pob txha thiab tom qab ossifies. Fibrous pob txha mos muaj ntau cov collagen fibers thiab muaj nyob rau hauv lub intervertebral discs thiab pubic symphysis. Elastic pob txha mos yog springy, daj, thiab elastic thiab muaj nyob rau hauv kev txhawb nqa ntawm lub pob ntseg sab nraud thiab hauv epiglottis.
Yuav ua li cas cov ntaub so ntswg yog pob txha thiab pob txha mos?
pob txha mos thiab pob txha yog cov ntawv tshwj xeeb ntawm cov ntaub so ntswg. Lawv ob leeg yog ua los ntawm cov hlwb embedded nyob rau hauv ib tug extracellular matrix. Nws yog qhov xwm txheej ntawm matrix uas txhais cov khoom ntawm cov ntaub so ntswg sib txuas.
pob txha mos cuam tshuam rau pob txha li cas?
Pob txha mos thiab pob txha yog cov ntaub so ntswg tshwj xeeb uas muab kev txhawb nqa rau lwm cov ntaub so ntswg thiab lub cev. Pob txha mos tshwm sim qhov yuav tsum tau hloov pauv, thaum pob txha tiv thaiv deformation.