2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Txoj cai nruj ntawm parietal hlwb xyuas kom meej qhov tso tawm ntawm HCl. H+-K+-ATPase enzyme qhia hauv parietal hlwb tswj kev sib pauv ntawm cytoplasmic H+ rau extracellular K+. H+ zais rau hauv plab lumen los ntawm H+-K+-ATPase ua ke nrog luminal Cl- los tsim gastric acid, HCl.
Vim li cas lub plab zais HCl?
Ncua zaub mov yog thawb koj txoj hlab pas rau hauv koj lub plab. … Thaum cov zaub mov nkag rau hauv koj lub plab, koj lub plab hauv plab tso tawm enzymes uas pib zom cov proteins hauv cov zaub mov. Koj lub plab hauv ob sab phlu kuj secretes hydrochloric acid, uas tsim cov zoo tagnrho rau cov protein-digesting enzymes ua haujlwm.
Dab tsi txhawb nqa parietal hlwb kom zais HCl?
Histamine stimulates parietal cells kom tso HCl.
Dab tsi ua rau parietal hlwb tso HCl?
Hydrochloric Acid Production
pib nrog, water (H2O) thiab carbon dioxide (CO 2) ua ke hauv parietal cell cytoplasm los tsim cov roj carbonic acid (H2CO3), uas yog catalysed los ntawm carbonic anhydrase. Carbonic acid ces spontaneously dissociates rau hauv hydrogen ion (H+) thiab bicarbonate ion (HCO3- ).
HCl ua haujlwm hauv plab hnyuv yog dab tsi?
Ua kom cov kua dej hauv plab
Hydrochloric acid yog ib qhomuaj zog acid secreted los ntawm parietal hlwb, thiab nws txo koj lub plab pH rau ib ncig ntawm 2. Hydrochloric acid hloov pepsinogen rau pepsin thiab lov ntau yam as-ham sib nrug ntawm cov zaub mov koj noj. Nws kuj tua cov kab mob uas tuaj nrog koj cov zaub mov.
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.
Leej twg secrete hcl hauv plab?
Parietal cells Parietal cells Parietal cells (tseem hu ua oxyntic cells) yog cov hlwb epithelial hauv plabuas zais cov hydrochloric acid (HCl) thiab qhov tseem ceeb hauv lub cev. Cov hlwb no nyob rau hauv cov qog nqaij hlav hauv plab uas pom nyob rau hauv cov kab mob ntawm lub plab thiab lub cev ntawm lub plab.
Vim li cas parietal peritoneum tseem ceeb?
Lub peritoneum yog ib daim nyias nyias uas txuas lub plab kab noj hniav thiab npog cov kab mob plab (abdominal viscera). Nws ua los txhawb lub viscera, thiab muab txoj hauv kev rau cov hlab ntsha thiab cov qog ntshav mus rau thiab tawm ntawm lub viscera.
