Cov txheej txheem:
![Cov qib sib txawv ntawm cov koom haum ntawm cov leeg yog dab tsi? Cov qib sib txawv ntawm cov koom haum ntawm cov leeg yog dab tsi?](https://i.answers-medical.com/preview/medical-health/13976350-what-are-the-different-levels-of-organization-of-a-muscle-j.webp)
Video: Cov qib sib txawv ntawm cov koom haum ntawm cov leeg yog dab tsi?
![Video: Cov qib sib txawv ntawm cov koom haum ntawm cov leeg yog dab tsi? Video: Cov qib sib txawv ntawm cov koom haum ntawm cov leeg yog dab tsi?](https://i.ytimg.com/vi/5sRNxEnNZj4/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov Nqaij Cov Txheej Txheem Qib ntawm Lub Koom Haum
Molecular theem - actin thiab myosin. Qib me me - sarcomere thiab myofibrils. Cell qib - myoblasts thiab myofibers. Cov ntaub so ntswg theem - neuromuscular txuas thiab fascicles.
Tom qab ntawd, ib tug kuj yuav nug, lub koom haum ntawm ib leeg yog dab tsi?
Ib pob txha cov leeg lub cev yog teem rau hauv ob peb fascicles. Lawv tau ntim ib sab-ib sab thiab puag ncig los ntawm perimysium, uas muaj cov hlab ntsha thiab qab haus huv. Epimysium yog cov ntaub so ntswg txuas ib puag ncig tag nrho cov leeg lub cev.
Ib tus kuj tseem yuav nug, cov kauj ruam hauv kev txo cov leeg nqaij yog dab tsi? Cov txheej txheem ntawm cov leeg nqaij contraction tshwm sim dhau ntawm ntau cov kauj ruam tseem ceeb, suav nrog:
- Depolarisation thiab calcium ion tso tawm.
- Actin thiab myosin hla tus choj tsim.
- Sliding mechanism ntawm actin thiab myosin filaments.
- Sarcomere shortening (muscle contraction)
Ib sab saum toj, dab tsi yog theem ntawm lub koom haum ntawm cov leeg nqaij los ntawm qhov tsawg tshaj plaws mus rau qhov loj?
Qhov kev txiav txim kom raug rau qhov tsawg tshaj plaws rau cov koom haum loj tshaj plaws hauv cov leeg nqaij yog _
- filament, myofibril, nqaij leeg, fascicle..
- myofibril, nqaij fiber, filament, fascicle..
- fascicle, filament, nqaij leeg, myofibril..
- cov leeg nqaij, fibicle, filament, myofibril..
Dab tsi yog sarcomere thiab nws cov proteins zoo li cas?
Sarcomeres yog tsim los ntawm ntev, fibrous cov proteins raws li filaments uas swb yav dhau los ib leeg thaum cov leeg cog lus lossis so. Ob ntawm qhov tseem ceeb cov proteins yog myosin, uas tsim cov filament tuab, thiab actin, uas ua rau nyias filament.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws?
![Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws? Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws?](https://i.answers-medical.com/preview/medical-health/13907369-what-is-the-difference-between-dense-regular-connective-tissue-and-dense-irregular-connective-tissue-j.webp)
Cov ntaub so ntswg sib txuas tsis sib thooj muaj cov fibers uas tsis tau sib dhos ua ke zoo ib yam li cov ntaub so ntswg sib txuas ib ntus. Cov ntaub so ntswg sib txuas tsis sib thooj muaj feem ntau ntawm cov fibers collagen. Nws muaj cov khoom hauv av tsawg dua li cov ntaub so ntswg sib txuas
Lub koom haum ntawm cov leeg pob txha los ntawm qhov tsawg tshaj plaws mus rau qhov loj tshaj plaws yog dab tsi?
![Lub koom haum ntawm cov leeg pob txha los ntawm qhov tsawg tshaj plaws mus rau qhov loj tshaj plaws yog dab tsi? Lub koom haum ntawm cov leeg pob txha los ntawm qhov tsawg tshaj plaws mus rau qhov loj tshaj plaws yog dab tsi?](https://i.answers-medical.com/preview/medical-health/13948485-what-is-the-organization-of-a-skeletal-muscle-from-smallest-to-largest-j.webp)
Skeletal thiab cardiac nqaij fibers. Npaj cov leeg hauv qab no los ntawm qhov tsawg tshaj plaws mus rau qhov loj tshaj plaws: nqaij fiber ntau, fascicle, myofibril, filament, nqaij. Npaj cov nqaij mos sib txuas hauv qab no los ntawm qhov tsawg tshaj plaws mus rau qhov loj tshaj: epimysium, perimysium, fascia, endomysium. cov sarcomere
Dab tsi yog qhov txawv ntawm kev sib tw ntawm cov tswv yim thiab cov koom haum xoob?
![Dab tsi yog qhov txawv ntawm kev sib tw ntawm cov tswv yim thiab cov koom haum xoob? Dab tsi yog qhov txawv ntawm kev sib tw ntawm cov tswv yim thiab cov koom haum xoob?](https://i.answers-medical.com/preview/medical-health/13966113-what-is-the-difference-between-flight-of-ideas-and-loose-associations-j.webp)
Kev sib txuas ntawm cov tswv yim tuaj yeem tsis muaj tseeb lossis kev hais lus tuaj yeem taug kev ntawm cov tsheb ciav hlau ntawm kev xav. Qhov tsis muaj tseeb ntawm kev xoob ntawm cov koom haum uas tau pom hauv tus mob schizophrenia yuav tsum sib piv nrog kev ya davhlau ntawm cov tswv yim uas qhia txog tus neeg hypomania. Kev txo qis ntawm cov koom haum tseem hu ua tus tub rog txoj kev xav
Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so?
![Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so? Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so?](https://i.answers-medical.com/preview/medical-health/14027937-which-joint-disease-is-characterized-by-joint-stiffness-on-movement-and-joint-pain-of-weight-bearing-joints-that-usually-is-relieved-by-rest-j.webp)
Osteoarthritis feem ntau cuam tshuam rau txhais tes, qis nraub qaum, caj dab, thiab hnyav sib koom tes xws li hauv caug, lub duav, thiab ko taw
Qhov sib txawv ntawm LigaSure thiab lub ntsej muag sib haum xeeb yog dab tsi?
![Qhov sib txawv ntawm LigaSure thiab lub ntsej muag sib haum xeeb yog dab tsi? Qhov sib txawv ntawm LigaSure thiab lub ntsej muag sib haum xeeb yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14165094-what-is-the-difference-between-ligasure-and-harmonic-scalpel-j.webp)
Hauv kev sib piv, Harmonic scalpel siv tshuab thev naus laus zis los ua kom cov protein tsis zoo hauv cov hlab ntsha thiab cov ntaub so ntswg txog 5 hli tuab ua rau coagulation [16]. Tsis zoo li LigaSure, Harmonic scalpel kuj tseem tuaj yeem txiav los ntawm cov ntaub so ntswg thaum nws coagulates