Mogya ntini nketenkete a ɛwɔ yɛn nipadua mu: Ne nyinaa fa ntini nketenkete a ɛkɔ so ho!

So woasusuw mogya ntini nketenkete a ɛwɔ yɛn nipadua mu no ho pɛn? Te sɛ akwan nketewa a atrɛw wɔ ɔman bi mu no, eyinom ne nea ɛde aduannuru ne mframa pa kɔ yɛn nkwammoaa mu. Ntini mu ntini yɛ saa mogya ntini nketenkete a ɛho hia yiye no mu biako. Wɔ saa ntini yi mu no, ɛnnɛ yɛrebɛka ntini a ɛtaa ba na ɛyɛ soronko, "Continuous Capillaries" ho asɛm. Momma yɛnka eyi ho asɛm tiawa koraa, wɔ ɔkwan a wubetumi ate ase so.

Dɛn ne saa `Continuous Capillaries` yi?

Sɛ yɛbɛka no tiawa a, ntini a ɛkɔ so no ne ntini a ɛtaa ba yɛn nipadua mu. Te sɛ mogya ntini afoforo no, nkwammoaa soronko bi a wɔfrɛ no endothelial cells na ɛhyɛ mu. Wɔfrɛ wɔn "kɔ so" efisɛ nkwammoaa no bɛn wɔn ho wɔn ho yiye, ɛkame ayɛ sɛ ɛtoatoa so, a nsonsonoe nni mu. Eyi kyerɛ sɛ ntama akɛse biara nni ɔfasu no mu, na nkwammoaa no bata wɔn ho wɔn ho ho bere nyinaa.

Susuw ho saa kwan yi so, eyinom ne mogya ntini nketenkete a ɛwɔ yɛn nipadua mu. Eyinom na ɛde mogya, aduannuru, ne mframa pa kɔ yɛn nkwammoaa mu. Eyinom ne nneɛma nketenkete a ɛwɔ yɛn ntini nhyehyɛe no mu.

So ntini ahorow bi wɔ hɔ a ɛkɔ so yɛ ntini?

Yiw, ntini nketenkete a ɛkɔ so yi ahorow atitiriw abien na ɛwɔ hɔ. Ma yɛnhwɛ nea wɔyɛ.

1. Ntini a ɛkɔ so a ɛnyɛ fenstrated:

Saa ntini ahorow yi wɔ ntokuru nketenkete, anaasɛ nkwammoaa mu mpaapaemu, wɔ endothelial nkwammoaa a ɛka bom yɛ afasu no ntam. Saa ntokuru yi sua araa ma nneɛma nketenkete paa te sɛ nsu, glucose, hormone, ne mframa nkutoo na ebetumi afa mu. Wɔyɛ wɔn ade te sɛ apon ano ahwɛfo a wɔma nneɛma a wɔapaw nkutoo kɔ mu. Yehu ntini ahorow yi wɔ yɛn ntini ahorow, honam ani, ne yɛn ahurututu mu .

2. Ntini a ɛwɔ ntini a ɛyɛ fenstrated a ɛkɔ so:

Saa ntini ahorow yi wɔ apon akɛse, te sɛ mfɛnsere nketewa (`fenestrations`), wɔ nkwammoaa no ntam. Esiane saa ``mfɛnsere'' yi nti, aduannuru ne nneɛma afoforo a ɛwɔ mogya no mu tumi kɔ anim ne akyi ntɛmntɛm yiye . Wɔte sɛ mmeae a wɔde nneɛma sesa nneɛma a adagyew nnim. Wɔwɔ yɛn asaabo, dwensɔtwaa ketewaa, ne ntini a ɛma nipadua no yɛ adwuma no mu titiriw. Efisɛ saa akwaa ahorow yi hia sɛ wɔsesa nneɛma ntɛmntɛm.

Wɔ saa ahorow abien yi akyi no, ɔkwan foforo nso wɔ hɔ a wɔfrɛ no ``Sinusoidal capillaries``. Nanso wɔnkɔ so, wɔwɔ nsonsonoe ne ntokuru akɛse mpo. Wotumi hu eyinom wɔ mmeae te sɛ mmerɛbo, akyi berɛmo, ntini a ɛma mogya tu, ne nnompe mu ntini. Nanso ɛnnɛ yɛde yɛn adwene asi ntini nketenkete a ɛkɔ so so kɛse.

Dwuma bɛn na ntini nketenkete a ɛkɔ so di?

Saa ntini nketenkete a ɛkɔ so yi na ɛka yɛn mogya a ɛkɔ nipadua no mu ntini ne ntini ahorow bom .. Susuw ho saa kwan yi so: ntini ahorow te sɛ akwan akɛse a ɛde mogya a ɛho tew a mframa pa wom fi koma no mu kɔ nipadua no fã a aka no. Ntini ne akwan a ɛde mogya a wɔde adi dwuma, a mframa pa nni mu, a nwura ayɛ mu ma no san kɔ koma no mu. Wɔ saa akwan akɛse abien no ntam no, saa ntini nketenkete yi ne akwan nketewa a ɛwɔ nkyɛnkyɛn a ɛma wotumi sesa nneɛma wɔ nkwammoaa mu.

Wɔn adwuma titiriw ne sɛ wɔbɛboa ma wɔaboaboa nneɛma ahorow a ɛwɔ nipadua no mu ano akɔ mogya no mu na wɔayi afi mogya no mu na wɔde akɔ akwaa ahorow no mu . Ɛte sɛ adwuma a wɔde nneɛma kɔma nkurɔfo.

Ɔkwan bɛn so na eyinom boa akwaa afoforo?

Ntini a ɛkɔ so no boa akwaa ne nhyehyɛe ahorow pii a ɛho hia wɔ yɛn nipadua mu. Ma yɛnhwɛ sɛnea:

• Amemene: Wɔ amemene no mu no, saa ntini ahorow yi bom yɛ akwanside titiriw bi a ɛbɔ ho ban, a wɔfrɛ no ``mogya-amemene akwanside.'' Eyi mma nneɛma a epira ntumi nkɔ amemene no mu.
• Endocrine nhyehyɛe: Nkwammoaa yɛ nnuru abɔfo a ɛhwɛ dwumadi ahorow so wɔ yɛn nipadua mu. Wɔnam saa ntini nketenkete yi so de saa nkwaadɔm yi kɔ akwaa a ɛfa ho no mu.
• Asaabo: Ntini titiriw (peritubular capillaries) a ɛwɔ asaabo no mu boa ma woyi mogya, ɛyɛ nsu, na ɛsan twetwe nneɛma te sɛ sodium ne nsu san kɔ nipadua no mu.
• Ahurututu: Sɛ yɛhome a, mframa pa a yɛhome no ka mogya no ho na carbon dioxide a ɛwɔ mogya no mu no fa saa ntini a ɛwɔ ahurututu no mu yi mu.
• Dwotwaa ketewaa: Sɛ yɛyam aduan a yedi no wie a, saa ntini ahorow yi boa yɛn nkwammoaa ma wɔtwe aduannuru a efi mu no.

Abusuabɔ bɛn na ɛda ntini nketenkete ne mogya-amemene akwanside no ntam?

Eyi yɛ biribi soronko koraa. Mogya ne amemene akwanside a ɛbɔ yɛn amemene no ho ban no yɛ saa ntini nketenkete a enni fenstrated a ɛkɔ so a yɛadi kan aka ho asɛm no. Saa ntini nketenkete yi paw nneɛma yiye wɔ sɛnea wɔma nneɛma kɔ amemene no mu no mu. Wɔma nneɛma a ɛho hia te sɛ nsu ne mframa pa fi mogya no mu kɔ amemene no mu nkutoo, bere a wɔmma awuduru ne nneɛma a ɛde nyarewa ba no kwan sɛ ɛbɛkɔ amemene no mu . Ɛte sɛ ɔpon a ahobammɔ wom ma amemene no. Eyi bɔ amemene no ho ban fi akwanhyia ne nyarewa ho.

Ntini a ɛkɔ so no te dɛn?

Susuw sɛnea saa ntini nketenkete yi sua no ho hwɛ! Mpɛn pii no, wɔn kɛse yɛ micrometer 8 kosi 10 pɛ . Micrometer yɛ milimita nkyem apem biako (0.001 mm). Bɛyɛ sɛ kotoku a wɔde ayɛ aduru no tɛtrɛtɛ! Ɛsɛ sɛ yɛn mogya mu nkwammoaa kɔkɔɔ no fa saa ntini nketenkete yi mu wɔ fael biako mu , saa na ɛyɛ mmerɛw.

Saa ntini nketenkete a ɛkɔ so yi yɛ afã abiɛsa titiriw:

1. Endothelial cells: Eyinom ne nkwammoaa atitiriw a ɛka bom yɛ capillaries afasu. Ɛte sɛ nkwammoaa a wɔayɛ no ntoatoaso a ɛhyehyɛ afiri bi mu.

2. Basement membrane: Eyi yɛ nkwammoaa mu ntini a ɛkɔ so a ɛboa endothelial nkwammoaa no.

3. Nkwammoaa a wɔfrɛ no pericytes:Eyinom yɛ nkwammoaa a wɔayɛ no nsensanee atwa ntini a ɛwɔ ntini no akyi ho ahyia. Saa nkwammoaa yi tumi twetwe, a ɛkyerɛ sɛ ebetumi atew. Eyi nso ma wotumi di mogya a ɛsen no so.

Nyarewa bɛn na ebetumi aba a ɛfa saa ntini nketenkete yi ho?

Nea ɛyɛ awerɛhow no, saa ntini nketenkete a ɛho hia yiye yi betumi ayɛ akwahosan ho haw ahorow fibea. Ebia emu bi fi awosu mu, a ɛkyerɛ sɛ wɔde fi awo ntoatoaso so kɔ awo ntoatoaso so.

Tebea horow a awosu mu nneɛma na ɛde ba:

• Arteriovenous malformation (AVM): Wɔ eyi mu no, ntini ne ntini a ɛwɔ amemene anaa akyi berɛmo mu no kyekye, na ɛma mogya fa ntini nketenkete no mu.
• Capillary angiosarcoma: Kokoram bi a ɛba wɔ endothelial nkwammoaa mu.
• Hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu syndrome): Eyi yɛ mogya ntini mu yare a wonya fi awo mu a mogya ntini nyin a ɛnteɛ (telangiectases) nyin na ebetumi apae.
• Macular degeneration: Ɛsɛe retina no fã bi a ɛwɔ aniwa no mu. Eyi nso betumi afi mogya a ɛretu afi ntini nketenkete mu no mu aba.
• Microcephaly-capillary malformation syndrome: Wɔ tebea yi mu no, ebia nkokoaa a wɔwo wɔn a wɔn ti yɛ ketewaa wɔ ɔkwan a ɛnteɛ so no wɔ ntini nketenkete a ayɛ kɛse.

Tebea horow a nneɛma a ɛnyɛ awosu mu nneɛma na ɛde ba:

Eyinom nyɛ awosu mu nneɛma, nanso ebetumi aba esiane nneɛma afoforo nti.

• Ntini a abubu: Mogya ntini nketenkete a ɛwɔ honam ani no a ɛsɛe. Ɛtɔ mmere bi a eyi betumi asi bere a wofefe denneennen anaasɛ wofe no.
• Capillary leak syndrome: Eyi betumi ama mogya mmoroso akɔ fam mpofirim. Ɛtɔ mmere bi a, ebia ɛho behia sɛ wɔyɛ ayaresa a egye ntɛmpɛ.
• Spider nevus (`Spider nevus` / `spider angioma` / `spider telangiectasia`): Mogya ntini nketenkete a ɛpue fi beae biako, a ɛte sɛ akɔre nan. Wɔtaa hu eyinom wɔ anim, kɔn, ne koko so.
• Strawberry hemangiomas: Mogya ntini a ɛyɛ kɔkɔɔ a ɛyɛ hyew a ɛyɛ akuwakuw a wotumi hu wɔ honam ani.
• Vasculitis: Mogya ntini a ɛyɛ hyew. Eyi nso betumi aka ntini a ɛma mogya tu no. Sɛ eyi ba a, nsɛnnennen te sɛ nea ɛpae anaasɛ nea esiw kwan betumi aba.

So ɔhaw ahorow a ɛfa ntini nketenkete a ɛkɔ so ho no betumi de nyarewa afoforo a emu yɛ den aba?

Nyansahufo da so ara reyɛ eyi ho nhwehwɛmu, nanso wosusuw sɛ ebia ntini nketenkete a ɛkɔ so no dwumadi mu ɔhaw bi ne tebea horow te sɛ:

• Alzheimer yare a ɛma obi nya ɔyare
• Nnwodwoɔ
• Ntini mu adwenemhaw

Nhwehwɛmu foforo ho hia na ama wɔahu eyinom ho nsɛm pii.

Yɛbɛyɛ dɛn ahwɛ mogya ntini nketenkete yi so?

Ɛyɛ yɛn asɛyɛde sɛ yɛbɛhwɛ yɛn ntini nketenkete a ɛyɛ adwuma a ɛho hia saa wɔ yɛn nipadua mu no so. Nneɛma a ɛnyɛ den a wubetumi ayɛ ni:

• Sɛ wonom sigaret a, susuw ho sɛ wubegyae . Saa ara na ɛte wɔ tawa mu nneɛma a wɔde di dwuma ho.
• Fa asetra kwan a ɛyɛ nnam yɛ wo su . Ɛno kyerɛ nneɛma te sɛ apɔw-mu-teɛteɛ ne nantew.
• Bɔ mmɔden sɛ wobɛkɔ so ayɛ wo mu duru a ɛfata .
• Hwɛ yiye wɔ nsa dodow a wonom ho.

Bio nso, ɛho hia sɛ wo ne wo duruyɛfo kasa fa tebea biara a ebetumi aka wo mogya ntini no akwahosan ho na ama woadi so. Eyinom bi ne:

• Asikyireyareɛ
• Mogya mmoroso
• Cholesterol a ɛdɔɔso
• Ɔbrɛ

Sɛ wodi eyinom so a, ɛso ba ntini a ɛma mogya tu no nso so mfaso.

Ɔkwan bɛn so na wobɛkwati sɛ ntini a ɛwɔ anim no bebubu?

Ɔhaw a nnipa pii wɔ ne ntini nketenkete a ɛte sɛ asaawa kɔkɔɔ a epue wɔ wɔn anim were ase no. Nneɛma bi a ebetumi aboa ma eyinom ansɛe ni:

• Tew nsa a wɔnom so.
• Gyae sigaretnom.
• Sɛ wowɔ honam ani yare bi te sɛ rosacea a, ma wɔnsa no yiye.
• Sɛ worekɔ owia mu a, fa aduru a ɛbɔ wo ho ban fi UVA ne UVB mframa nyinaa ho di dwuma .
• Sɛ worehohoro w’anim a, hohoro brɛoo na brɛoo, a womfa ahoɔden ntwitwiw wo ho.

Nea etwa to no, nneɛma a ɛsɛ sɛ yɛkae

Enti, ntini nketenkete a ɛkɔ so yɛ mogya ntini nketenkete paa, nanso ɛho hia yiye a ɛde mogya, aduannuru, ne mframa pa kɔ yɛn nkwammoaa mu a ɛyɛ nhama. Sɛnea yɛahu no, eyinom ahorow abien na ɛwɔ hɔ (continuous fenestrated ne continuous nonfenestrated) a ɛwɔ dwumadi pɔtee bi.

Kae sɛ, saa ntini nketenkete yi ka yɛn akwahosan nyinaa. Enti, sɛ wudi asetra a ahoɔden wom akyi a, wubetumi ahwɛ nnamfo nkumaa yi yiye. Sɛ wowɔ nsɛmmisa anaa adwenem naayɛ bi wɔ eyi ho a, ntwentwɛn wo nan ase da sɛ wo ne oduruyɛfo bɛkasa.

` Capillaries, capillaries a ɛkɔ so, mogya ntini, mogya a ɛkɔ nipadua no mu, akwahosan, endothelial nkwammoaa, mogya-amemene akwanside