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Video: Dab tsi yog vim li cas rau Enterically txheej ib ntsiav tshuaj?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Dab tsi yog qhov laj thawj rau kev nkag mus rau txheej ntsiav tshuaj ? Nws tiv thaiv nws los ntawm kev tawg mus txog thaum nws mus txog rau cov hnyuv. Nws tiv thaiv cov tshuaj los ntawm kev puas tsuaj los ntawm cov kua hauv lub plab thiab tiv thaiv nws los ntawm kev ua rau khaus ntawm lub plab.
Hais txog qhov no, lub hom phiaj ntawm txheej ntsiav tshuaj yog dab tsi?
Qhov zoo ntawm ntsiav tshuaj txheej yog saj qhov ncauj qhov ncauj, ntxhiab tsw ntxhiab, tiv thaiv lub cev thiab tshuaj, tiv thaiv cov tshuaj hauv plab, thiab tswj nws cov ntaub ntawv tso tawm. Txheej tuaj yeem siv rau ntau yam ntawm qhov ncauj ntawm qhov ncauj, xws li cov khoom me me, hmoov, granules, muaju, pellets thiab ntsiav tshuaj.
Ib yam nkaus, dab tsi yog siv rau txheej ntawm tsiav tshuaj? Ib tug enteric txheej yog txheej txheem polymer siv rau ntawm qhov ncauj tshuaj uas tiv thaiv nws txoj kev tawg lossis tsis tawg hauv ib puag ncig lub plab. Cov ntsiav tshuaj, mini-ntsiav tshuaj, pellets thiab granules (feem ntau tau ntim rau hauv tshuaj ntsiav shell) yog cov kab mob ntau tshaj plaws- txheej ntau npaum ntawv.
Qhov thib ob, yog vim li cas thiaj tsim cov tshuaj raws li cov ntsiav tshuaj nkag mus?
Txhawm rau zam kev ua kom khaus plab hauv plab los ntawm kev zom, tsis yog hauv plab, tab sis hauv cov hnyuv me.
Cov txheej txheem txheej txheej yog dab tsi?
Txheej txheej tau tsom mus rau kev xa cov kua mus rau lub vev xaib. Cov ntaub ntawv yooj yim tshaj plaws ntawm txheej txheej txheej vam khom cov viscosity ntawm cov kua los tswj cov tuab thiab kev sib xws. Txheej thov ntawm huab cua siab muaj cov kuab tshuaj ntxiv txhawm rau txo qhov viscosity thiab yog li pab kom ntws thiab qib.
Pom zoo:
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Cov suab paj nruag tau ua los ntawm peb txheej txheej loj los ntawm qhov tob mus rau sab nrauv: Lub Vocalis Muscle (daim ntawv lo saum toj no ua cov leeg) Lub Lamina Propria (tiag tiag 3 txheej: sib sib zog nqus, nruab nrab, thiab sab nrauv) Cov epithelium lossis cov nqaij mos epithelial
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Cov txheej txheej enteric yog cov txheej txheem polymer siv rau ntawm cov tshuaj hauv qhov ncauj uas tiv thaiv nws txoj kev tawg lossis tsis tawg hauv ib puag ncig lub plab
Dab tsi yog txheej txheej txheej hauv qab ntawm daim tawv nqaij?
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Lub hauv paus txheej yog txheej txheej sab hauv ntawm txheej txheej, thiab muaj cov kab puag ncig me me hu ua basal cells. Cov hlwb basal txuas ntxiv sib faib, thiab cov hlwb tshiab tas li thawb cov laus mus rau ntawm daim tawv nqaij, qhov twg lawv thiaj li poob
Tus txheej txheem txheej txheej txheej thaum ub zoo li cas?
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Kev tsim cov txheej txheem thaum ntxov hauv lub blastocyst suav nrog kev sib koom ua ke ntawm kev sib koom tes thiab rov kho cov hlwb hauv epiblast. Cells overlaying Koller Sickle nyob rau tom qab kawg ntawm tus me nyuam qaib embryo txav mus rau kab nruab nrab, sib ntsib thiab hloov kev taw qhia mus rau nruab nrab ntawm epiblast
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Cov txheej txheej zaj duab xis yog txheej txheej txheej txheej tuab uas siv los ua cov tshuaj hnyav xws li ntsiav tshuaj. Lub thickness ntawm xws li txheej yog feem ntau ntawm 20-100 µm. Nws muaj peev xwm ua raws li cov nyhuv curing dynamic ntawm cov ntsiav tshuaj txheej txheej txheem los ntawm kev siv cov txheej txheem tsis muaj kev puas tsuaj