Cov leeg twg yog lub npe rau kev npaj ntawm nws cov paj ntoo?
Cov leeg twg yog lub npe rau kev npaj ntawm nws cov paj ntoo?

Video: Cov leeg twg yog lub npe rau kev npaj ntawm nws cov paj ntoo?

Video: Cov leeg twg yog lub npe rau kev npaj ntawm nws cov paj ntoo?
Video: Nkauj Ntseeg Tawm Tshiab | “Los rau ntawm Xi-oo Nrog Txoj Kev Qhuas”(A Cappella) 2024, Lub Xya hli ntuj
Anonim

Sphincter cov leeg yog yam ntxwv ntawm ib ncig kev npaj ntawm fascicles nyob ib ncig ntawm qhov qhib.

Ib yam li ntawd, Fascicle arrangement yog dab tsi?

Kev npaj ntawm Fascicles . Tag nrho cov nqaij skeletal yog tsim los ntawm fascicles (bundles ntawm fiber), tab sis cov txheej txheem fascicle sib txawv ntau, ua rau cov leeg muaj cov duab sib txawv thiab muaj peev xwm ua haujlwm tau. Cov qauv feem ntau ntawm kev npaj fascicle yog puag ncig, sib luag, sib sau ua ke, thiab pennate.

Tsis tas li ntawd, cov leeg twg muaj Unipennate kev npaj ntawm fascicles? Hauv a cev nqaij daim tawv , cov fascicles yog nyob ntawm ib sab ntawm cov leeg. Lub extensor digitorum ntawm lub forearm yog ib qho piv txwv ntawm a cev nqaij daim tawv . Ib bipennate nqaij xws li lub qhov quav femur muaj fascicles ntawm ob sab ntawm cov leeg zoo li hauv kev npaj ntawm ib tug plaub.

Ntawm no, cov leeg twg muaj npe rau nws cov duab?

Cov duab : Lub deltoid (triangular), trapezius (trapezoid), serratus (saw-toothed), thiab rhomboideus loj (rhomboid) cov leeg muaj npe uas piav txog lawv duab.

Cov leeg mob li cas?

Ib pob txha nqaij organ yog teem mus rau ntau qhov chaw. Lawv tau ntim rau ntawm ib sab thiab ib puag ncig los ntawm perimysium, uas muaj cov hlab ntsha thiab cov hlab ntsha. Endomysium yog cov ntaub so ntswg uas nyob ib puag ncig tus neeg nqaij fibers, thiab lawv tau ntim rau hauv ib lub paj.

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