Txoj kev ncig yog hloov pauv ncig ib ncig ntawm cov hlab ntsha lossis cov leegntawm lwm txoj kev, xws li cov nkoj me me nyob ze.
Dab tsi yog cov khoom pov thawj hauv lub cev?
Collateral: Hauv lub cev, lub collateral yog a subordinate lossis accessory part. Ib qho khoom lag luam kuj tseem yog ib sab ceg, raws li cov hlab ntsha lossis paj hlwb. … Li no, collateral txhais tau tias accessory, subordinate, secondary, pab txhawb los yog txhawb.
Yuav ua li cas cov hlab ntsha ploj mus?
Cov nkoj thauj khoom tuaj yeem rov qab tau nrog cov kab mob txaus ntshai thaum lub sijhawm luv luv tom qab ua tiav PCI. Txawm tias cov khoom lag luam tsim tau zoo tuaj yeem hloov tsis tau tag nrho cov coronary flow [6].
Dab tsi ua rau muaj kev cuam tshuam nyiaj txiag?
Kev cuam tshuam hnyav induces ntws hla lub collateral network (recruitment), ua raws li los ntawm remodeling thiab, muaj peev xwm, tsim ntawm ntxiv collaterals nyob rau hauv mob obstructive kab mob (neo-collateral tsim). Kev poob ntawm cov khoom ntiag tug (tsis tshua muaj) tuaj yeem tshwm sim los ntawm kev laus thiab lwm yam kev pheej hmoo.
Cov khoom lag luam vascular yog dab tsi?
Collateral bundle is a vascular bundle in which a phloem strand is present out the xylem strand, on the same radius side by side. Cambium tuaj yeem tsis tuaj lossis muaj nyob nruab nrab ntawm xylem thiab phloem. … Nyob rau hauv no, lub phloem yog ib puag ncig los yog ib puag ncig ntawm xylem.
