Kan thluak hi eng ang taka buaithlak leh mak tak maia duan nge a nih tih i ngaihtuah ngai em? Thluak hian a hnathawh that theih nan oxygen tamna thisen thianghlim supply reng reng a mamawh a ni. Chuvangin he hna hi dik taka thawk tur chuan thluak hian safety system mak tak mai a nei a ni. Khawpui lai takah roundabout lian tak ang mai a ni a, traffic jam a awm chuan kawngpui dang zawh turin a pui che a ni. Vawiin hian he safety system mak tak mai hi kan sawi dawn a ni.
Willis-a Circle chu eng nge ni?
A awlsam zawngin sawi ila,
Circle of Willis (CoW) hi kan thluak bul, chu chu a hnuai lama awm thisen kalna
(arteries) atanga siam ring ang
chi a ni. Pentagram ang maia pianzia a nei a. Hei hi kan thluaka thisen petu thisen kalna kawng lian pahnih inzawmkhawmtu junction a ni. Kan thluaka thisen thlentu thisen kalna kawng lian pahnih awmin han ngaihtuah teh. 1.
Internal Carotid Artery: Hei hi thisen tam zawk thluak hmalam panna kawng a ni . 2.
Vertebral Artery: Hei hi thluak hnung lama thisen pekna kawng a ni . Chuvangin, heng main artery pahnih hi Circle of Willis an tih roundabout-ah an inzawm khawm a ni. Chumi avang chuan thisen kalna kawng pakhatah inkharkhip emaw, inkharkhip emaw a awm chuan thisen kalna kawng dang hmangin a mamawhna hmunah thisen a thawn thei a ni. Hei hi kan thluak himna atana natural ‘fail-safe’ system ang a ni. He structure mak tak chungchang tam tak hmuchhuaktu anatomist Thomas Willis chawimawina atan "Ring of Willis" tia vuah a ni.
Mi zawng zawng hian he ring hi an nei vek em?
Hetah hian thil mak tak chu a awm. Zirchiangtute sawi dan chuan mipui zinga a chanve aia tlem chuan
Willis ring kimchang tak an nei a ni. Chu chu mi tam zawk chuan he ring-ah hian danglamna tenau, a nih loh leh famkim lohna an nei thei tihna a ni. Chutiang danglamna chu pianpui a ni. Chûngte chu nausen pum chhunga kan thisen kalna kawngte a lo awm hian pianphung (natural changes) a ni. Hei hi natna leh tlin lohna a ni lo.
Willis ring tling lo neih hian i damlo tihna a ni lo. Mi tam tak chuan Willis ring kim lo tak nen nun hrisel tak an hmang thin.
Mahse, hei hi a ni. Annulus tling lo nei mi pakhatin thluaka thisen kalna kawng nena inzawm,
stroke ang
chi natna a neih chuan a nghawng chu tlem a lian zawk thei. A chhan chu chu ‘alternative route’ emaw ‘detour’ emaw kan sawi tawh kha a thawk tha lo. Hei hi kan tihdanglam theih thil a ni lo, hei hi kan taksa insiam dan a ni.
Ring of Willis awmzia dik tak chu eng nge ni?
Hei hi hriatthiam dan tha ber chu a hmaa kan sawi tawh traffic roundabout entirnan hi chipchiar zawka sawi hi a ni. Colombo Town Hall-a roundabout lian tak ang kha han mitthla teh. Kawngpui lian engemawzat a thlunzawm a ni. Tunah chuan kawngpui lian pakhatah accident lian tak a awm a, kawngpui chu a inkhar vek tawh ang tih han ngaihtuah teh. Chuti a nih chuan eng nge thleng? Kawngpui dang atanga lirthei lo kalte chuan he roundabout hi an hmang thei a, kawngpui khar chu paltlangin an tumna hmun an thleng thei a ni. Ring of Willis hian
hetiang chiah hian a ti a ni . Thluak lama thisen phurtu thisen kalna kawng lian tak chu a inkhar emaw, a chhe emaw a nih chuan, Ring of Willis kimchang tak a awm chuan, a sir lehlamah thisen lo chhuak chuan he ring hi a paltlang thei a, thluak thisen tlakchhamna hmunah thisen a pe thei a ni. Hei hian a tam zawkah chuan chhiatna lian tham a veng thei a ni. Ring of Willis kimchang tak neih hian a hnuaia dinhmunte nghawng na tak lakah hian a venghim thei che a ni:
| Damdawi lam dinhmun | Ring of Willis-in venhimna a pek chu |
|---|
| Thai | Thisen kalna kawng chu a inkharkhip a nih pawhin, thisen chu kawng dang hmangin a inthlak a, chu chuan thluak chhiatna a ti tlem a ni. |
| Brain aneurysm a puak chhuak ta | Vessel chhia chhehvel hmun hrang hranga thisen supply vawng reng turin a pui. |
| Thisen kalna kawnga thau awm (atherosclerosis) . | Vessel chu a zim zauh zauh a, thisen kalna kawng dang kal tlangin a tlakchhamna chu a khum ta a ni. |
| Carotid Artery natna a ni | Kawnga thisen kalna kawng lian tak chu a inkharkhip a nih pawhin thluaka thisen kalna chu a vawng reng thei a ni. |
Hemi chungchang hi doctor-in a hrilh theihna chance engzat nge awm?
A tlangpuiin mi tam zawk chuan Willis ring an nei tih an hriat hma loh chuan an hre ngai lovang. Mahse, a then phei chuan i doctor chuan a hrilh mai thei che a ni.
- Brain aneurysm i neih chuan : Brain aneurysm 85% vel chu Ring of Willis-ah a awm a.
- Stroke i neih chuan : Stroke hi Ring of Willis-a thisen kalna kawngkhar a inkhar emaw, thisen a chhuak emaw avanga lo awm thei a ni.
- Moyamoya Disease i neih chuan: Hei hi natna hmuh tur awm lo tak a ni a, Ring of Willis-a thisen kalna kawngte chu a zim zauh zauh a, a block bawk.
- Thluak bulpuiah surgery neih a ngai a nih chuan: Entirnan, aneurysm emaw pituitary gland tumor emaw surgery kan tih hian Willis ring tihchhiat loh a pawimawh hle.
- Brain scan i neih chuan : Test bik i neih chuan, thluak MRI emaw cerebral angiogram emaw i neih chuan report-ah hian i Ring of Willis awm dan chungchang a tel thei a ni.
Ring of Willis hrisel taka awm theih nan eng nge kan tih ang?
Kan sawi tawh ang khan Ring of Willis insiam dan hi kan thlak danglam thei lo. Pian tirh laia awm reng thil a ni. Mahse, ring chhunga thisen kalna kawngte chu hrisel leh inkharkhip awm lo tura kan tih theih tam tak a awm. A awlsam zawngin,
thluaka thisen kalna kawng tichhe thei risk factors te hi kan control a ngai a ni. Heng risk factors te hi eng nge ni tih hi han thlir ila. Hengte hi thunun hi i Ring of Willis tan chauh ni lovin, i taksa pumpui tan pawh a tha a, a bik takin i thinlung tan pawh a tha hle.
| Risk factor a ni | Eng nge tih tur |
|---|
| Thisen sang lutuk | Damdawi hi Doctor-in a sawi ang chiah chiah hmang rawh. Salt ei tam loh tur. Insawizawi. |
| Cholesterol sang tak a ni | Oil, fried foods, leh fast foods te tihtlem. Thlai, thei leh thlai chi hrang hrang ei tam rawh. |
| Zunthlum | I thisen sugar level kha control la. I ei leh in leh damdawi lam thurawn zawm rawh. |
| Meizial zuk | Meizial zuk kha bansan vek rawh. Hei hian thisen kalna kawngte a tichhe nasa hle. |
| Thau lutuk | Ei leh in dik leh exercise neih fo hmangin i taksa rihna control rawh. |
| Zu In hman dan | Zu in tam lutuk hi pumpelh tur a ni. |
A tha ber chu heng thilte hi i chhungkaw doctor nen inbia a, i nunphung chu i duh ang anga siamrem hi a ni.
Take-Home Thuchah a ni
- Circle of Willis hi thluaka thisen petu thisen kalna kawng hrang hrang inzawmkhawm atanga thluak bul lama venhimna ring a ni.
- A hna ber chu thluaka thisen phurtu thisen kalna kawng pakhat a inkharkhip chuan kawng dang hmanga thisen a divert a, thluak chhiatna tih tlem hi a ni.
- Mi zawng zawng hian he ring hi ‘perfect’ an nei vek lo. Mi tam zawk chuan danglamna tlemte an nei. Natna ni lovin, pianpui atanga lo chhuak natural condition a ni.
- He ring hi a pianzia hi kan thlak danglam thei lo nain, thisen sang, cholesterol, zunthlum , leh meizuk pumpelh hmangin heng thisen kalna kawngte hi hrisel takin kan vawng thei a ni.
- Thluak test i neih emaw, damdawi lam thil i sawi emaw a nih chuan, he thu hi doctor-in a sawi a nih chuan zawt la, hriat chhuah hlau suh. I taksa chungchang hriat theihna tur dikna i nei vek a ni.
Circle of Willis, thluaka thisen supply, stroke, thluak aneurysm, thluaka thisen kalna kawng, thluak structure, anatomy in sinhala
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