Qhov sib txawv tseem ceeb ntawm endomysium thiab sarcolemma yog endomysium yog ib txheej ntawm cov ntaub so ntswg uas nyob ib puag ncig cov leeg hlwb thaum sarcolemma yog cov plasma membrane ntawm cov leeg nqaij.
Cov nqaij mos yog ib qho ntawm plaub hom ntaub so ntswg tseem ceeb hauv peb lub cev. Cov leeg nqaij yog cov qauv ntawm cov leeg nqaij. Lub cytoplasm ntawm cov leeg hlwb hu ua sarcoplasm, thiab cov plasma membrane hu ua sarcolemma. Ib txheej nyias ntawm cov ntaub so ntswg hu ua endomysium nyob ib ncig ntawm cov leeg nqaij. Yog li ntawd, endomysium nyob ib sab ntawm lub sarcolemma.
Endomysium yog dab tsi?
Endomysium yog ib txheej ntawm cov ntaub so ntswg uas nyob ib puag ncig cov leeg nqaij. Yog li, endomysium nyob ib sab mus rau sarcolemma ntawm cov leeg hlwb. Peb tuaj yeem pom endomysium nyob nruab nrab ntawm txhua tus leeg leeg. Endomysium muaj cov hlab ntsha thiab cov hlab ntsha. Collagen yog cov protein tseem ceeb hauv endomysium.
Daim duab 01: Endomysium
Functionally, endomysium pab hauv kev muab cov tshuaj tsim nyog rau kev sib pauv ntawm calcium, sodium, thiab potassium, uas yog qhov tseem ceeb rau kev zoo siab thiab kev sib cog lus ntawm cov leeg nqaij. Tsis tas li ntawd, endomysium cuam tshuam nrog epimysium thiab perimysium thiab tsim cov collagen fibers ntawm cov leeg, uas muab cov ntaub so ntswg sib txuas ntawm cov leeg thiab cov pob txha.
Sarcolemma yog dab tsi?
Sarcolemma yog plasma membrane ntawm cov leeg nqaij. Nws yog tsim los ntawm phospholipid bilayer uas muaj lub taub hau hydrophilic thiab hydrophobic tails. Lub sarcolemma kuj tseem muaj txheej txheej polysaccharide uas hu ua glycocalyx. Lub sarcolemma tsim cov dynamic txheej txheej membrane thiab yog ciam teb rau cov leeg nqaij cov ntsiab lus. Cov leeg nqaij cov ntsiab lus yog embedded nyob rau hauv lub sarcoplasm.
Cov leeg nqaij plasma membrane (sarcolemma) muaj cov qauv tshwj xeeb hu ua transverse tubules. Transverse tubules yog invaginations ntawm sarcolemma. Cov membranous invaginations txuas ntev mus rau hauv cytoplasm ntawm cov leeg nqaij. Lub transverse tubules kuj tseem hu ua T tubules. Lub davhlau ya nyob twg cisternae yog tsim los ntawm ob sab ntawm t tubules. Thaum lub t tubule nyob ib puag ncig los ntawm ob lub qhov dej, nws raug hu ua triad.
Daim duab 02: Sarcolemma
Lub luag haujlwm tseem ceeb ntawm sarcolemma, hais txog cov leeg nqaij, yog los pab txhawb kev permeability ntawm Calcium ions xav tau rau cov txheej txheem contraction. Calcium ions raug thauj mus thoob plaws lub sarcolemma ntawm ion raws thiab raug thauj mus rau hauv lub cytoplasm ntawm cov leeg hlwb (sarcoplasm) ntawm lub transverse tubules. Thiab, qhov no yuav pib ua rau cov leeg nqaij muaj peev xwm ua rau cov leeg mob. Sarcolemma kuj muaj ntau lub teeb liab tau txais receptors, uas yuav tsum tau tswj hwm cov leeg ntawm tes.
Dab tsi yog qhov zoo sib xws ntawm Endomysium thiab Sarcolemma?
- Endomysium thiab sarcolemma muaj nyob hauv cov leeg nqaij.
- Ob leeg sarcolemma thiab endomysium nyob ib puag ncig cov leeg leeg.
- Lawv pw ib sab. Qhov tseeb, endomysium puag ncig sarcolemma.
Qhov txawv ntawm Endomysium thiab Sarcolemma yog dab tsi?
Endomysium yog ib txheej nyias ntawm cov ntaub so ntswg uas nyob ib puag ncig cov leeg nqaij, thaum sarcolemma yog cov plasma membrane ntawm txhua cov leeg nqaij. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm endomysium thiab sarcolemma. Ntxiv mus, sarcolemma yog phospholipid bilayer, thaum endomysium yog cov ntaub so ntswg sib txuas.
Hauv qab infographic tabulates qhov txawv ntawm endomysium thiab sarcolemma.
Summary – Endomysium vs Sarcolemma
Cov leeg nqaij yog cov qauv thiab kev ua haujlwm ntawm cov leeg nqaij. Txhua lub cell yog nyob ib puag ncig los ntawm ib txheej nyias ntawm cov ntaub so ntswg hu ua endomysium. Lub plasma membrane ntawm txhua cov leeg nqaij yog hu ua sarcolemma. Endomysium nyob ib puag ncig sarcolemma ntawm txhua cov leeg nqaij. Yog li, qhov no yog qhov txawv ntawm endomysium thiab sarcolemma.
