Dab tsi yog 4 yam khoom ntawm cov hlab plawv?
Dab tsi yog 4 yam khoom ntawm cov hlab plawv?

Video: Dab tsi yog 4 yam khoom ntawm cov hlab plawv?

Video: Dab tsi yog 4 yam khoom ntawm cov hlab plawv?
Video: 4 Yam Tib neeg Ntshaw tshaj plaws yog dab tsi? 2024, Lub Xya hli ntuj
Anonim

Plaub yam khoom ntawm cov kab mob plawv (tsis siv neeg, muaj kev txaus siab, kev coj ua , thiab kev cog lus) ua kom muaj kev coj ua kom pib ua hluav taws xob, xa nws los ntawm cov ntaub so ntswg, thiab txhawb nqa cov nqaij nqaij hauv myocardial kom cog lus.

Hais txog qhov no, plaub yam ntawm cov leeg mob plawv yog dab tsi?

Cov cuab yeej ntawm Cardiac Cells. Cov leeg nqaij ntawm lub plawv yog qhov tshwj xeeb thiab muaj lub luag haujlwm rau kev txhawb nqa hluav taws xob uas ua rau kev ua haujlwm zoo. Myocardial cells muaj ntau qhov sib txawv electrophysiologic: tsis siv neeg , excitability, kev coj ua , contractility , rhythmicity, thiab refractoriness.

Ib yam nkaus, dab tsi tshwj xeeb txog cov kab mob plawv? Zoo li cov leeg pob txha, plawv cov leeg hlwb tau sib tw vim yog kev npaj zoo sib xws ntawm cov protein sib cog lus. Cim mus rau plawv cov leeg yog cov ceg morphology thiab muaj cov intercalated discs pom ntawm cov leeg nqaij. Lawv feem ntau pom zoo li zigzagging bands txiav hla cov leeg nqaij.

Kuj paub yog, dab tsi yog cov yam ntxwv ntawm cov leeg mob plawv?

Cov leeg nqaij leeg tsuas yog pom hauv lub siab, thiab tshwj xeeb rau tso ntshav kom muaj zog thiab muaj txiaj ntsig thoob plaws peb lub neej. Plaub yam ntxwv txhais mob plawv cov ntaub so ntswg hlwb : lawv tsis tuaj yeem tswj hwm tus kheej, tawm tsam, sib ceg, thiab ib leeg nyob ib leeg.

Cov kab mob plawv yog dab tsi?

Plawv cov leeg hlwb lossis cardiomyocytes (tseem hu ua myocardiocytes lossis plawv myocytes) yog cov leeg hlwb (myocytes) uas ua rau plawv cov leeg ( plawv cov leeg).

Pom zoo: