2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Muscarinic receptor antagonists (MRAs) ua haujlwm los ntawm kev sib tw thaiv cov lus teb cholinergic uas tshwm sim los ntawm acetylcholine (ACh) khi muscarinic receptors ntawm exocrine glandular cells, plawv cov leeg nqaij, thiab cov leeg nqaij..
siv cov muscarinic antagonist yog dab tsi?
Tshuaj nrog muscarinic antagonist kev ua ub no tau siv dav hauv cov tshuaj, hauv kev kho mob ntawm lub plawv dhia qis, zais zis ntau dhau, teeb meem ua pa xws li mob hawb pob thiab COPD, thiab teeb meem neurological xws li Parkinson's disease thiab Alzheimer's disease.
Cov txiaj ntsig kho li cas thaum cov tshuaj antagonist khi rau muscarinic receptor?
Muscarinic antagonists inhibit the contractions of the gastrointestinal tract induced by Ach and other muscarinic agonists mediated via M3 receptors. Lawv, txawm li cas los xij, feem ntau tsis tshua muaj txiaj ntsig tiv thaiv qhov nce hauv kev cog lus thiab kev txav mus los vim qhov kev xav ntawm cov hlab ntsha parasympathetic.
Vim li cas cov tshuaj muscarinic antagonists tsis siv rau mob hawb pob?
Nyob rau hauv mob hawb pob, muscarinic antagonists tau xav tias tsis zoo li bronchodilators dua li β2-agonists, raws li cholinergic feem ntawm bronchoconstriction tau ntseeg. kom me me piv rau qhov ncaj qha constrictor los ntawm inflammatory mediators los yog leukotrienes [4].
Qhov kev txiav txim ntawm muscarinic receptor yog dab tsi?
[2] Muscarinic receptors koom nrog peristalsis, micturition, bronchoconstriction, thiab ob peb lwm yam tshuaj tiv thaiv parasympathetic. [3][4][5] Muscarinic receptors yog ib hom ligand-gated G-protein coupled receptor, ua haujlwm raws li kev tswj hwm G-proteins (Gs) lossis inhibitory tswj G-proteins (Gi).
Pom zoo:
Puas pom qhov tseem ceeb yog vim li cas lossis vim li cas ho tsis?
Kev sib txuas lus pom kev pab cov neeg tuaj saib nkag siab cov ntaub ntawv. Nws ua rau kom nkag siab txog cov ntsiab lus. Hom duab ob sab uas pab kev sib txuas lus muaj xws li kos duab, kos duab kos duab, animation, kos npe, typography, graphic designs, thiab lwm yam.
Puas yog qhov sharecropping system zoo vim li cas lossis vim li cas ho tsis?
-Sharecropping raws li keeb kwm kev coj ua nyob rau hauv American Soutic yog ntawm cov tswv yim qhev, txawm tias tsawg dua li niaj hnub ua liaj ua teb. Vim li cas thiaj tau sharecropping tsis ua haujlwm? Sharecropping khaws cia dub neeg txom nyem thiab nyob rau hauv ib txoj hauj lwm uas lawv tau zoo nkauj npaum li cas lawv tau hais los ntawm tus tswv av lawv ua haujlwm.
Thaum siv vim li cas thiab yog vim li cas?
Vim li cas thiab qhov twg ntawm qee yam yog vim li cas rau nws. Txawm tias cov thawj coj ua tiav yuav tsum tau nug txog vim li cas thiab yog li ntawd ntawm lawv qhov kev ua. Nws tsis txaus siab tham txog vim li cas thiab yog li ntawd nws lub sijhawm nyob txawv teb chaws.
Vim li cas volcanoes tawg nws xav tias yog vim li cas?
Volcanic eruptions tshwm sim thaum cov pa roj npuas hauv magma, los yog cov pob zeb ua kua kub, nthuav thiab ua rau lub siab tsim. Lub siab no thawb rau ntawm qhov chaw tsis muaj zog hauv lub ntiaj teb, lossis pob zeb, ua rau magma tawm ntawm lub roob hluav taws.
Puas yog broilers zog npaum yog vim li cas los yog vim li cas tsis?
Cov txiaj ntsig ntawm kev siv hluav taws xob ua kom pom tseeb tias lub zog hauv cov broiler ua liaj ua teb tau siv tau zoo, whereas siv zog hauv txheej ua liaj ua teb tsis tau txais txiaj ntsig. Vim li cas broiler zog npaum? Raws li tau hais los saum toj no, kev loj hlob sai ntawm cov broilers niaj hnub piv rau cov laus cov tsiaj txhu tau txhawb nqa lub zog ntawm cov noog, raws li tam sim no lawv ncav cuag lawv qhov hnyav hauv luv luv.
