Kan taksa peng mak ber chu eng nge ni tih i ngaihtuah ngai em? Kan thluak a ni. Kan taksa pumpui ‘Control Center’ ang a ni. Kan ngaihtuahna, kan tih leh kan hriat zawng zawng hi kan lu te tak te chhunga he taksa peng mak tak hian a thunun vek a ni. Chuti a nih chuan he thluak hi eng atanga siam nge a nih i hria em? A bik takin thluak hi tissue chi hrang hrang pahnih atanga siam a ni. Pakhat chu tunlaia kan sawi ' grey matter ' hi a ni. A dang chu ' white matter ' tih hi a ni. Heng pahnihte hi kan nitin hnathawh dan tur dik taka a kal theihna tura thil pawimawh tak pahnih a ni.
A awlsam zawngin, he gray matter hi eng nge ni?
Okay, hei hi a awlsam zawngin han sawi ila. He grey matter hi kan Central Nervous System-a tissue chi pawimawh tak a ni a, chu chu i thluak leh i ruhro a ni. Hei hi kan neurons cell body tam zawk awmna hmun a ni.
Tunah chuan, ‘Heng nerve cell te hi eng nge ni?’ tiin i ngaihtuah mai thei. Kan taksa pum puia thu hriatna phur chhuaktu electric wire te tak te network angin han ngaihtuah teh. Nerve cell hi hmunpui pathum atanga siam a ni.
1. Neuronal Body: Hei hi nerve cell peng ber a ni. Thingkung zung ang a ni. Cell chhunga nucleus pawh a awm bawk. He nucleus hian cell pumpui hnathawh dan a thunun a ni.
2. Axon: Hei hi cell taksa atanga sei, thread ang maia inzar pharh, thing hnah ang mai a ni. Cell pakhat atanga cell danga electrical signal kalna hmun a ni.
3. Dendrites: Hengte hi thing hnah ang mai a ni a, cell taksa atanga chhuak fiber te tak te bun khat a ni. Hengte hi nerve cell dang atanga signal dawnna hmun a ni.
Chuvangin, he gray matter hi a tam zawk chu nerve cells cell body, zung ang maia awm leh branch, branch ang chi atanga siam a ni. Chu chu, information processing hna ber chu he gray matter chhungah hian a thleng tihna a ni.
He gray matter hi kan pum chhunga kan la awm lai hian a lo piang tan thin. Naute a pian hnuah he tissue volume hi kum 8 vel a tlin thlengin a pung a ni. Tichuan, a density chu kum 20 vel a tlin thlengin a pung a ni. Hetianga density tihpun hian kan thluak hian information a process theihna leh rilru lama hmasawnna a tipung a ni. Mahse hriat reng tur pawimawh tak chu heng nerve cell te hi an lo thang thar lo va, an thih pawhin an lo piang thar leh lo. Chu chu nerve cell a chhiat chuan a lo piang thar leh lo tihna a ni.
Gray matter leh white matter hi eng nge an danglamna?
Hei hi mi tam tak tan chuan thil buaithlak tak a ni. Kan thluak 40% vel chu gray matter atanga siam a ni a, a bak 60% chu white matter a ni. An pahnih hian hna hrang hrang an nei a. Computer chhunga processor leh a wire awm ang mai a ni.
Heng pahnih inthlauhna hi a hnuaia table atang hian chiang takin i hrethiam ang u.
| Nihphung | Gray Matter a ni | White Matter a ni |
|---|---|---|
| Thupui ber berte | Neuronal body leh nerve cell-a dendrite te. | Axons hi nerve cells fiber sei tak tak a ni. |
| Hnathawh ber | Thu hriat tur siam dan. Hetah hian ngaihtuahna, hriatrengna, zirlai, thusawi, leh chetna thununna a awm a. | Inbiaktawnna. Thluak gray matter area hrang hrang inkar, leh thluak leh taksa peng dang inkara signal phurh. |
| A chhan chu a rawng a ni | Cell taksa tam tak inzawmkhawm a nih avangin a dum (gray) angin a lang. | Axons te hi a rawng a var a, a chhan chu a hual veltu myelin sheath an tih fatty covering vang a ni. |
| Tehkhin thu a ni | Khawpui pakhata building leh office ang maiin. Hei hi hnathawhna hmun a ni. | Khawpui chhunga building hrang hrangte inzawmkhawmtu kawngpui leh telephone line ang mai a ni. |
A awlsam zawngin, gray matter hi kan ngaihtuahna leh ngaihtuahna thiamna hmunpui ber a ni. Hetah hian engkim a thleng a, kan rilru put hmang atanga kan hriatrengna, kan zirlai, kan thusawi leh kan duhthusam chetna thununna thlengin. White matter hna chu heng information-processing center hrang hrangte inkarah hian thuchah rang taka thawn chhuah hi a ni.
He gray tissue hi kan taksaah hian khawiah nge a awm?
Hei hi kan thluak chunglam leh thluak chhung hmun thuk thenkhatah a awm ber. Spinal cord chhungah pawh a awm bawk.
Thluak chhunga awmna hmun
Thluak thlalak i en chuan a chung lamah wrinkles a awm ang maiin a lang, a dik em? Chu wrinkles leh folds (Gyri leh Sulci) te chu gray matter atanga siam a ni. Chutianga an wrinkled chhan chu i hria em? Tichuan surface area tam tak chu hmun tlemte (kan luruh chhungah) ah i pack thei ang. Chuvangin mihring hian rannung dang aiin gray matter kan nei tam zawk a ni. Chuvang chuan thil buaithlak tak tak kan ngaihtuah thei a, kan zir thei bawk.
Thluak chhunga gray matter tamna hmunte chu:
- Cerebellum: Hei hi kan thluak hnunglam, a hnuai lama awm a ni. Thluak pumpuiah hian nerve cell tam ber a awm a ni. Taksa inthlauhna leh che vel control nan a pawimawh hle.
- Cerebrum: Hei hi thluak peng lian ber a ni. Hei hi kan rilru hnathawh sang zawk, ngaihtuahna, hriatrengna leh tawngkam te lo awmna hmun a ni.
- Brainstem: Hei hi thluak leh ruhro inzawmkhawmtu a ni. Thâwk leh thinlung thawk ang chi hna pawimawh tak takte control nan a pawimawh hle.
Spinal cord chhunga awmna hmun
Spinal cord i lak chuan a pawn lamah tissue dum a nei a, a chhung lamah chuan gray tissue a nei bawk. Butterfly ang maia pianzia a ni.
Gray matter hi a chhe thei em, a tlahniam thei em?
Ni e, vanduaithlak takin chutiang chu a thleng thei. Gray matter-a nerve cells te an thih chuan he tissue hi a atrophie thin. A chhan ber chu chu cell-te chuan an mamawh oxygen leh thisen supply an hmu lo vang a ni. Ngaihtuah teh, heng cell te hian hna an thawk reng avangin an hnathawh that theih nan chakna leh oxygen tam tak an mamawh a ni.
Thluak cell-a thisen kal chu tihtawp a nih chuan, stroke emaw, thluaka thisen chhuak emaw lai ang chi, chu cell-te chu a chhe thei a, a thi thei bawk.
Chu bâkah, gray matter cell ṭhenkhat chu kan tar chhoh zêl chuan a pianphungah an thi a, mahse hengte hi kan taksaa cell dam rei berte an ni.
Gray matter tichhe thei condition dang engemaw zat a awm bawk:
- Alzheimer natna: Hei hi thluaka protein (Amyloid leh Tau) awm dan pangngai lo avanga lo awm a ni. Hei hian gray matter-a nerve cells te chu a thih tir thin.
- Parkinson’s disease: Hei hi thluak hmun ‘Substantia Nigra’ an tih, gray tissue atanga siam nerve cells hloh vang a ni.
- Multiple Sclerosis (MS): Hei hi natna tia hriat a ni a, white matter a nghawng ber a ni. Mahse, zirchianna thar chuan he natna hian gray matter a tichhe bawk a, a bik takin thluak hmun thuk zawkah a tichhia a ni.
- Lu hliam (Traumatic Brain Injury - TBI): 1. A rilru a hah lutuk chuan a rilru a buai em em a.Lu-a vuakna nasa tak i dawn chuan thluak chhungah thisen a chhuak thei a, gray matter-a cell-te a tichhia thei bawk.
Gray matter chhiatna chhinchhiahnate chu engte nge ni?
Gray matter chhiatna chhinchhiahna chu thluak hmun eng nge a chhiat tih a innghat a ni. Mahse a tlangpuiin heng ang symptoms hi i hmu mai thei:
- Memory loss or decline: Thil thar hriatreng harsa, thil hlui theihnghilh.
- Cognitive Impairment: Hei hian ngaihtuahna leh thutlukna siam theihna inthlak danglamna a kawk a ni. Entir nan:
- Ṭawng lama harsatna (thusawi harsa, thumal zawn harsa).
- Thil ngaihtuah theih lohna.
- Thil ngaihtuah thiam leh thutlukna buaithlak tak siam harsa.
- Motor Issues: Fine movement-ah harsatna, a bik takin i kut hmanga kawr button, ziak emaw, cup chelh emaw hian.
Nangmah emaw, i hnaih ber emaw pawhin heng symptoms te hi an neih chuan doctor pan vat a, thurawn la nghal vat a pawimawh hle.
Engtin nge doctor-te hian he natna hi an hriat theih?
Doctor-te chuan i gray leh white matter hriselna enfiah nan MRI (Magnetic Resonance Imaging) scan an hmang tlangpui. He test hian Parkinson’s disease leh MS ang chi natna hriatchhuahna kawngah a pui hle. Hei bakah hian fMRI (Functional MRI) leh PET (Positron Emission Tomography) ang chi test te pawh hman theih a ni bawk.
A chhiat chuan enkawlna a awm em?
Vanduaithlak takin tunah hian gray matter chhiatna tihdanglam emaw, tihdam vek theihna tur a awm lo, a chhan chu kan sawi tawh ang khan nerve cells te hi vawi khat an thih chuan an lo piang thar thei lo.
Chuvangin, i tih theih awmchhun chu a natna lan chhuah dan thunun tum a, natna a zual zel loh nan ven tum hi a ni. Chumi ti tur chuan doctor-in a tih tur a tih ang chiah kha zawm a pawimawh hle.
Engtin nge kan gray matter hi kan hrisel theih ang?
Hei hi a pawimawh ber a ni. A lo thlen hnua enkawl ai chuan chhiatna ven hi a tha zawk hle. Gray matter hriselna atan thisen leh oxygen supply mumal tak a pawimawh hle. Chuvang chuan thluaka thisen zam natna (cerebrovascular disease) kan neih theihna tur tihziaawm a pawimawh hle.
I tih theih ṭhenkhat chu hetiang hi a ni:
- Thisen sang control (hypertension): Thisen sang i neih chuan i doctor-in damdawi a pek chu a hun takah ei thin ang che.
- Exercise neih fo: Ni khatah minute 30 tal thawmhnaw tichhe thei exercise tih hi a tha hle.
- Zu in khap rawh: A theih ang angin zu lakah inthiarfihlim rawh.
- I taksa rihna hrisel tak vawng reng rawh: I san zawng nena inmil tur rihna vawng reng a pawimawh hle.
- Mut tha rawh: Ni khatah darkar 7-8 vel mut that a pawimawh.
- Thisen thlum leh cholesterol level control: Diabetes leh cholesterol ang chi natna i neih chuan control tha rawh.
- Meizial zuk loh emaw, bansan emaw.
- Stress tihziaawmna: Meditation leh yoga ang chi thilte hian stress tihziaawmna kawngah a pui thei a ni.
Research atanga a lan dan chuan kum 65 chunglam pawhin exercise la fo thinte hian grey matter volume an nei tam zawk a, exercise la ngai lote aiin a tam zawk a ni. Chumi awmzia chu dam chhung zawnga active taka awm hi kan thluak hriselna atan a hlawkpui hle tihna a ni.
Hei bakah hian thluak tibuaitu thil thar zir hi a tha hle bawk. Ṭawng thar zir, musical instrument, lehkhabu chhiar ang chi thilte hian nerve cell thar a siam lo va, mahse nerve cell awm tawhte inkarah inzawmna thar a siam thung. Hei hi thluak plasticity / neuroplasticity kan ti a.
Take-Home Thuchah a ni
- Gray matter hi kan thluak leh kan ruhro (spinal cord)-a information processing center ber a ni. He hmun hi a ni a, kan ngaihtuahna, kan hriatrengna, kan rilru put hmang leh kan chezia te chu a thunun a ni.
- White matter hian thluak hmun hrang hrang inkara inbiakpawhna a nei a, grey matter erawh chuan chu thu chu a zirchiang thung.
- Stroke, Alzheimer’s, Parkinson’s, leh lu hliam te hian gray matter a tichhe thei a ni.
- Gray matter chhiatna hi tihdanglam theih ni lo mah se, nunphung hrisel (exercise dik, ei leh in tha, thisen sang leh sugar control) hian thluak hriselna a humhim thei a ni.
- Nangmah emaw, i hnaih ber tu emaw hian hriatrengna, chetna, ngaihtuahna lama harsatna i neih chuan damdawi lam thurawn lak nghal a pawimawh.











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