Imbaraga zitangaje mu mibiri yacu! Byose ukeneye kumenya kuri endothelium!

Ese wigeze wibaza utuntu duto turi mu mibiri yacu, cyane cyane mu mitsi yacu y'amaraso, dufasha ubuzima bwacu? Uyu munsi tugiye kuvuga ku kintu cy'ingenzi cyane, ariko wenda ntabwo tuvugaho byinshi. Niyo endothelium . Nubwo izina ryumvikana nk'iry'ubumenyi, mu by'ukuri ni iryoroshye cyane. Reka tubiganireho birambuye, hanyuma uzumve agaciro karyo.

Endothelium ni iki? Reka tubisobanukirwe mu buryo bworoshye.

Mu magambo make, endothelium yawe ni uturemangingo duto cyane dukikije imbere mu miyoboro y'amaraso yawe yose n'imiyoboro ya lymphatic . Ni nk'agace gato kari imbere mu muyoboro w'amazi. Utwo turemangingo twita uturemangingo twa endothelium . Duherereye he?

• Mu mitsi yawe.
• Mu mitsi yawe.
• Mu mitsi yawe y'amaraso.
• Kandi no mu mitsi y'amaraso .

Tekereza, endothelium ni yo ihuza amaraso yawe n'ibindi bice by'umubiri wawe, bigatuma amakuru n'intungamubiri binyura hagati yabyo. Kubwibyo, endothelium ni ingenzi kuri buri rugingo n'ingingo zose mu mubiri wawe. Endothelium si igipfundikizo gusa. Ni nk'umukozi ukora akazi kenshi. Ikora akazi gakomeye ko gutuma amaraso yawe atembera neza no kugumana ubuzima buhamye. Niyo mpamvu abahanga mu bya siyansi bafata endothelium nk'urugingo rw'imisemburo . Mu by'ukuri, watangazwa no kumenya ko iyi ari imwe mu ngingo nini mu mubiri wawe! Iyo hagize ikintu kigera kuri utwo turemangingo duto tw'imisemburo, bishobora kugira ingaruka zikomeye ku mubiri. Kubera ko utwo turemangingo dufasha kugira ubuzima bwiza kandi dukomeye. Kubwibyo, ni ingenzi cyane kumenya iyi endothelium n'imikorere yayo. Hanyuma dushobora kugerageza uko dushoboye kose kugira ngo ibi bitabaho.

Ese hari ubwoko bwa endothelium?

Yego, hari ubwoko bubiri bw'ingenzi tuvuga. Byombi bigizwe n'uturemangingo tw'ingirabuzimafatizo, ariko hari itandukaniro rito bitewe n'aho duherereye.

• Endothelium y'imitsi: Iyi ni yo ngingo iri mu mitsi yawe. Muri make, endothelium ni yo ifasha amaraso gutembera neza.
• Endothelium y'imitsi:Ibi biri mu miyoboro yawe ya limfu. Imiyoboro ya limfu ni nk'urusobe rw'imiyoboro mito. Ikuraho amazi menshi (twita limfu) yirundanya mu ngingo. Bityo, endothelium y'iyi miyoboro ya limfu ifasha mu kugenda kwa limfu.

Ibi byombi ni ingenzi cyane ku buzima bw'umutima n'imitsi .

Ni ubuhe bwoko bw'akazi gakomeye aka gakoresho gato k'inyuma (endothelium) gakora?

Uturemangingo tw’amaraso dukora mu buryo butandukanye bitewe n’aho duherereye mu mubiri. Reka turebe imikorere y’ingenzi y’uturemangingo tw’amaraso.

Kugabanya (Vasoconstriction) no kwaguka (Vasodilation) kw'imitsi y'amaraso

Iyo ufite uturemangingo tw’amaraso tuzima, bifasha imiyoboro y’amaraso kugumisha amaraso yawe yagutse (afunguye) kugira ngo amaraso ashobore kunyuramo nta mbogamizi. Binasubiza ibintu biturutse imbere no hanze. Urugero, umuvuduko w’amaraso ku nkuta z’imiyoboro y’amaraso yawe, impinduka mu rugero rw’imihangayiko yawe, n’imiti ufata byose bishobora kugira ingaruka kuri ibi. Binasubiza impinduka mu bushyuhe. Tekereza nawe, mu gihe cy’ubukonje , imiyoboro y’amaraso mu ngingo zawe irafungana. Ibi bituma amaraso menshi atembera mu ngingo zawe z’ingenzi, kugira ngo zikomeze gushyuha. Mu gihe cy’ubushyuhe , irakura, bigatuma amaraso atembera neza no gukonjesha umubiri wawe. Iyo ukora imyitozo ngororamubiri , imiyoboro y’amaraso mu mitsi yawe irakura, ikayiha amaraso na ogisijeni ikeneye. Rero, icyo wakora cyose, endothelium ifasha kwemeza ko buri rugingo n’ingingo mu mubiri wawe bibona amaraso akwiye.

Igenzura urujya n'uruza rw'amazi ava mu maraso ajya mu ngingo

Iyo imeze neza, endothelium iba ifunguye gato. Ni ukuvuga ko yemerera amazi kunyura mu turemangingo twayo mu turemangingo. Ariko kandi, ikora nk'uruzitiro rwiza. Irinda ibintu bidakenewe nk'uburozi kwinjira mu maraso. Ariko, mu ndwara zimwe na zimwe, nko kwandura /sepsis , endothelium iba ifunguye gato. Ibi bituma uturemangingo rwanya ubwandu twinjira mu turemangingo no kudufasha gukira.

Irinda kuvura amaraso bitari ngombwa (Irinda Thrombosis )

Thrombose ni indwara ituma amaraso afungana kandi akabuza amaraso gutembera, ibyo bikaba byatera ingorane zikomeye. Endothelium yawe ikora imiti yitwa nitric oxide na prostacyclin . Ibi bituma amaraso yawe agumana ububobere kandi bikayabuza kuvura. Mu ndwara zimwe na zimwe, ibi bintu ntibikorwa neza. Ibi byongera ibyago byo kuvura amaraso.

Iyi endothelium iherereye he mu mubiri wacu? Ingana iki?

Endothelium yawe ikwirakwira mu mubiri wawe wose! Tekereza, endothelium y'imitsi yawe y'amaraso yonyineImitsi y'amaraso ifite uburebure bwa kilometero 60.000 . Iyo usabye umuntu kukwereka aho umutima wawe uri, akwerekeza ku gituza cyawe. Iyo usabye umuntu kukwereka aho ubwonko bwawe buri, akwerekeza ku mutwe wawe. Ariko iyo usabye umuntu kukwereka endothelium, akwerekeza ku gice icyo ari cyo cyose cy'umubiri wawe! Ibyo nibyo bituma endothelium iba yihariye cyane. Uturemangingo tw'amaraso turi imbere mu mitsi yawe y'amaraso. Ni uturemangingo dukorana n'amaraso yawe. Dufatanye na lamina y'ibanze . Endothelium n'iyi lamina y'ibanze hamwe bigize urwego rw'imbere rw'urukuta rw'imitsi y'amaraso, tunica intima . Iyi tunica intima niyo ituma amaraso atembera neza. Endothelium ingana iki? Ni imwe mu ngingo nini mu mubiri wawe. Ku bijyanye n'ubuso bw'umubiri, umubiri w'umuntu usanzwe utwikiriwe nayo, itwikiriwe na metero kare hagati ya 3.000 na 6.000 . Kandi, irimo uturemangingo tw’inyuma turenga tiriyari imwe ! Utwo turemangingo tugizwe n’uturemangingo tw’inyuma . Uturemangingo tw’inyuma ni duto gute? Utwo turemangingo dushobora kubonwa gusa hakoreshejwe mikorosikopi . Ingano yatwo mpuzandengo ni:

• Uburebure buri hagati ya mikorometero 30 na 50 (mikoroni) .
• Ubugari bwa mikorometero zigera kuri 10 kugeza kuri 30 .
• Ubugari bwa mikorometero 0.1 kugeza kuri 10 .

Kugira ngo utekereze ku bunini bw'aka karemangingo, tekereza ku musatsi wawe. Umusatsi umwe ufite umurambararo wa mikorometero 100. Rero, nubwo waba ufite uburebure ntarengwa (mikorometero 50), akaremangingo k'inyuma ni kimwe cya kabiri cy'umurambararo w'umusatsi! Niyo mpamvu dushobora kugira utu turemangingo twihariye turenga tiriyari mu mibiri yacu.

Itandukaniro riri hagati ya Endothelium na Epithelium ni irihe?

Ibi byombi bitwikiriye ingirabuzimafatizo, ariko hari itandukaniro rito.

• Endothelium iboneka mu miyoboro iri imbere mu mubiri kandi idafite aho ihuriye n'ibidukikije byo hanze. Urugero, imiyoboro y'amaraso n'imiyoboro ya limfu.
• Epithelium iboneka mu nzira zihuza n'ibidukikije byo hanze. Urugero, mu buryo bw'igogora n'uburyo bw'ubuhumekero .

Byombi byihariye kubera imirimo yabyo. Epithelium ikunze kurinda cyane , ikaba irinda isi yo hanze. Endothelium yihariye kugira ngo ihe umubiri amaraso n'ibindi bintu.

Bite se niba endothelium yangiritse? Iyo ni indwara yitwa imikorere mibi ya endothelium!

Indwara yo kudakora neza kw'imyanya y'imbere ni igihe imyanya y'imbere y'imbere idashobora gukora akazi kayo gasanzwe neza. Ibi bibaho iyo hari ikintu cyangije uturemangingo tw'imbere y'imbere. Uku kwangirika gushobora guterwa n'indwara zitandukanye n'ingeso z'ubuzima.

Ni iki gishobora kuba gitera ibi?

• Indwara nka COVID-19 .
• Ubwiyongere bw'isukari mu maraso (Hyperglycemia) .
• Umuvuduko ukabije w'amaraso (Hypertension) .
• Kolesterol yiyongera mu maraso (Hyperlipidemia) .
• Kutagira imyitozo ngororamubiri.
• Kunywa itabi no kunywa itabi .
• Indwara zikomeye nka sepsis .

Ikintu kibi cyane kibaho iyo endothelium yangiritse ni atherosclerosis.

Atherosclerosis ni ukwiyongera buhoro buhoro kwa plaque mu mitsi yawe uko igihe kigenda gihita. Abahanga mu bya siyansi bazi ko icyiciro cya mbere cya atherosclerosis ari ukwangirika kwa endothelium. Ibi akenshi biterwa n'urugero rwinshi rwa LDL (cholesterol mbi) mu maraso, kunywa itabi, cyangwa umuvuduko w'amaraso ukabije igihe kirekire. Iyo endothelium yawe yangiritse, ubudahangarwa bw'umubiri wawe buratangira. Yohereza ubwoko bw'uturemangingo tw'amaraso tw'umweru twitwa monocytes ku rukuta rw'imitsi yangiritse. Izi monocytes ziteranira aho ngaho zigatera ububyimbirwe mu mitsi. Hanyuma, habaho impinduka nyinshi mu turemangingo, amaherezo biganisha ku iremwa ry'ikintu cyitwa "urukurikirane rw'ibinure." Niho plaque itangira kubaho. Uko igihe kigenda gihita, iyi plaque irakura kandi ikagabanya imitsi yawe. Ibi bigabanya urujya n'uruza rw'amaraso. Si ibyo gusa, iyi plaque yongera ibyago byo kubyimba kw'amaraso. Niyo mpamvu abantu bafite endothelium yangiritse baba bafite ibyago byinshi byo kurwara izi ndwara.

None se ni izihe ndwara zishobora guterwa n'iyi ndwara?

• Indwara y'imitsi itera umutima
• Indwara y'umutima
• Ischemia y'umutima (kugabanuka kw'amaraso agera ku mitsi y'umutima)
• Indwara y'imitsi yo mu mpande
• Indwara zimeze nk'iz'imitsi yo mu bwonko (stroke)
• Thrombose ( amaraso apfundika)

Kwangirika kw'impyiko mu minofu y'imbere nabyo bishobora kongera ibyago byo:

• Kanseri
• Indwara zandura
• Ubudahangarwa bwa insuline
• Indwara y'impyiko

None se twakora iki kugira ngo iyi endothelium y'agaciro ikomeze kuba nzima?

Ushobora gufasha uturemangingo tw’imbere mu mubiri kugumana ubuzima bwiza ugabanya ingano ya radicals zidafite ishingiro mu mubiri wawe. Radicals zidafite ishingiro ni atome zidahinduka. Zangiza atome zidafite ishingiro mu mubiri. AntioxydantsAntioxydants ni ibintu birinda umubiri wawe (cyane cyane endothelium) ingaruka mbi za radicals libre. Rero, ni ngombwa cyane kurya ibiryo bikungahaye kuri antioxydants. Ibiryo nk'ibi bikungahaye kuri antioxydants:

• Umuceri w'umukara (umuceri w'ibinure)
• Imbuto z'indimu nk'indimu n'amacunga n'imitobe yazo
• Imboga z'icyatsi kibisi (nk'epinari, kale)
• Ifu y'ingano
• Urusenda rutukura n'umuhondo (urusenda rw'amafi)
• Ibijumba
• Inyanya n'umutobe w'inyanya
• Ibinyampeke byuzuye

Ushobora kubaza muganga wawe icyo wakora kugira ngo wongere izindi antioxydants mu mirire yawe. Muganga wawe ashobora kukwohereza ku muganga w’imirire. Bashobora kugufasha guhindura ibintu bito byoroshye gutangira. Urugero, bashobora kukugira inama yo gukurikiza indyo yo mu nyanja ya Mediterane, izwiho gufasha umutima wawe n’imitsi y’amaraso kugumana ubuzima bwiza.

Ni ibihe bintu byongera uturemangingo tw’ubuntu (free radicals)? Twakwirinda dute?

Indwara zimwe na zimwe, ingeso z’ubuzima, n’uburozi bishobora kongera ingano y’udukoko twitwa “free radicals” mu mubiri wawe. Dore bimwe mu bintu ugomba kwitondera:

• Ihumana ry'ikirere.
• Imiti imwe n'imwe, imiti yica udukoko, n'imashini zisukura uruganda.
• Kurya isukari nyinshi cyane.
• Kutabona ibitotsi bihagije.
• Umubyibuho ukabije .
• Umwotsi uturuka ku bicuruzwa by'itabi.

Vugana na muganga wawe ku buryo bwo kurwanya izi radicals zidafite ireme no kurinda umubiri wawe ingaruka mbi zazo. Ni ngombwa kandi kwisuzumisha buri mwaka no gufata imiti wahawe ku gihe. Vugana na muganga wawe ku byerekeye gahunda y'imyitozo ngororamubiri ikubereye kugira ngo ukomeze kugira ubuzima bwiza. Ibi bintu bifasha umutima wawe n'imiyoboro y'amaraso gukora neza. Kandi bifasha mu gutuma endothelium yawe ikomeza kuba nziza.

Wibuke ko buri wese afite ibintu bishobora kwangiza endothelium mu gihe runaka mu buzima bwe. Ariko, ushobora kugabanya izi ngaruka ukoresheje ubuzima bwiza no gucunga indwara zawe.

Amaherezo, ibintu by'ingenzi cyane ugomba kwibuka (Ubutumwa bwo kujyana mu rugo)

Noneho rero, urabona ko endothelium twavuze uyu munsi ari igice gitangaje cyane kandi cy'ingenzi cyane cy'umubiri wacu. Ni nk'umuntu wicaye mu mitsi yacu y'amaraso, afasha umubiri wacu wose mu ituze.

• Endothelium ni urwego rw'uturemangingo dukikije imbere mu miyoboro y'amaraso n'imiyoboro ya limfu.
• Ibi bikora imirimo myinshi y'ingenzi, nko kugenzura urujya n'uruza rw'amaraso, gukumira kuvura kw'amaraso, no gufasha ingirabuzimafatizo guhanahana ibintu.
• Iyo endothelium yangiritse (imikorere mibi y’endothelium), indwara zikomeye nk’indwara z’umutima na stroke zishobora kuvuka.
• Dushobora kurinda iyi endothelium y'agaciro dukurikiza indyo nziza, gukora imyitozo ngororamubiri, kwirinda kunywa itabi, no gufata indi ngeso nziza.

Vugana na muganga wawe ku buzima bw'inyuma y'amaraso yawe, kandi binyuze muri yo, ubuzima bw'umubiri wawe wose. Bizagufasha cyane mu buzima bwawe bwiza!