Kan vun hi kan ngaihsak vek a ni lawm ni? Hrisel leh mawi taka vawn reng turin engmah tih theih a awm lo. Mahse, kan vun hi layer pakhat chauh ni lovin, main layer pathum atanga siam organ mak tak a ni tih i hria em? Heng layer pathumte hi an inzawm khawm chuan kan taksa chhunga thil awm zawng zawng, taksa peng hrang hrang, ruh leh ruh te pawh a venghim a ni. Vawiin hian middle layer pawimawh tak, dermis .
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A awlsam zawngin, dermis chu eng nge ni?
A awlsam khawp mai. I vun layer lai tak chu dermis an ti a. A chang chuan ‘corium’ an ti bawk. Latin tawng a ni. Kan vun layer thick ber a ni.
Kan vun layer lian pathumte chu hetiang hi a ni:
- Epidermis: Hei hi kan hmuh theih layer te tak te, a chung ber ber a ni.
- Dermis: Hei hi tunlaia kan sawi tur layer a ni a, a laiah a thuk ber a, thil pawimawh tam zawk awmna hmun a ni.
- Hypodermis: Hei hi a layer thuk ber a ni. Hei hi thau tam zawk dahkhawmna hmun a ni.
Dermis chhungah hian layer dang a awm em?
Ni e, he middle layer dermis an tih hi hmunpui dang pahnih ah pawh a inthen bawk. Heng pahnih hi an inzawm khawm chuan dermis kimchang tak an siam a ni. Chu hmun hnih chu eng nge ni tih i lo en ang u.
| Sub-layer a awm a, chu chu dermis a ni | A chungchang sawifiahna awlsam tak |
|---|---|
| Papillary Dermis a awm a | Hei hi dermis chunga layer te ber a ni. A dik tak chuan hetah hian epidermis, a chung lam layer chu a inzawm tlat a ni. Layer pahnih chu nghet takin an inzawm khawm a, kut zungtang inzawm khawm ang maiin an inzawm khawm a ni. He layer ah hian thisen kalna kawng, Meissner corpuscles leh phagocytes te a awm a, chungte chuan bacteria te an do a ni. |
| Reticular Dermis a awm a | Hei hi dermis hmun thuk ber a ni a, a hnuai lam a ni. Hei hi kan hair follicles, sweat glands, oil glands, thisen kalna kawng lian tak tak, leh nerve te awmna hmun a ni. He hmun hi dermis an tih connective tissue network in a hual vel a ni.Collagen leh elastin fibers network a awm a. Heng fiber te hi kan vun chakna leh elasticity petu an ni. |
Epidermis leh Dermis hi eng nge an danglamna?
Heng pahnih hi vun layer chunglam pahnih ni mahse, an pahnih inkarah hian danglamna lian tak a awm. A dik tak chuan, epidermis hi in chung ang a ni a, dermis chu chu inchung, in pum pui tan lungphum leh chakna petu bang leh lungphum ang a ni.
Ngaihtuah teh, kan vun chunglam layer, epidermis hi a thim hle. Mahse dermis hi vun layer thick ber a ni. Chutianga a awm chhan chu a chhunga protein awm collagen leh elastin an tih te hi a ni.
He inthlauhna hi tlem tal i hrethiam zawk ang u.
| Mihring ziarang | Epidermis - a chung lam layer | Dermis - a laiah a awm |
|---|---|---|
| Thickness a ni | Vun layer te ber. | Vun layer thick ber. |
| Hnathawh ber berte | Ni laka invenna te, vun cell thar siam te, vun rawng pe theitu melanin siam te, taksa hnim hring humhalh te. | Vun chakna leh flexibility pe, sensation, thawmhnaw leh oil siam chhuah, sam siam chhuah. |
| A chhunga thu awmte | A bik takin vun cell (Keratinocytes) leh melanin siamtu cell (Melanocytes) te an ni. Thisen kalna kawng a awm lo. | Thisen kalna kawng, nerve endings, hair follicles, sweat glands, oil glands, collagen, leh elastin te a keng tel vek a ni. |
Dermis hian kan taksa tan eng service nge a pek?
Dermis hi middle layer chauh a ni lo. Kan taksa tan rawngbawlna ropui tak a pe a ni.
- Epidermis chawm: Epidermis hian thisen kalna kawng a neih loh avangin dermis chhunga thisen kalna atang hian a mamawh nutrients leh oxygen a dawng thin. Chumi awmzia chu epidermis dam khawchhuahna chu dermis-ah a innghat vek tihna a ni.
- Sensation: Miin i taksa a khawih hian engtin nge lumna, vawt, natna, pressure i neih? Heng zawng zawng hriat theihna tura puitu nerve endings te hi he dermis layer ah hian a awm a ni.
- Sweat production: Kan lum emaw, kan stress emaw hian kan thawk a ni lawm ni? He thawmhnaw siamtu sweat glands te hi dermis ah a awm a. Sweating hian kan taksa lum leh vawt a control thei a ni.
- Vun hnim leh eng taka vawn reng: Vun hian a vawt loh nan leh vun mamawh tui a pek theih nan oil chi khat a siam chhuak thin. He hriak hi sebum an ti a . He oil siamtu sebaceous glands te hi dermis ah a awm a.
- Hair production: I taksaa sam awm hi hair follicles atanga siam a ni. Heng hair follicles te hi dermis chhungah a awm a.
Dermis tichhe thei natna a awm em?
Awle. Dermis chhunga collagen, elastin leh thisen kalna kawng hrang hrang tichhe thei dinhmun hrang hrang a awm a. Chung zinga ṭhenkhat chu genetic a ni thei.
Entirna thenkhat chu hetiang hi a ni:
- Ehlers-Danlos syndrome: Hei hi genetic condition a ni a, vun, ruh leh thisen kalna kawngte a nghawng a ni. Vun chu a hrual lutuk thin.
- Hives/Urticaria: Vun allergic reaction a ni a, dermis ah a hring chhuak a, vun chunglam ah welt sen, itchy welts a awm thin.
- Marfan syndrome: Hei hi genetic disease a ni bawk a, connective tissue a nghawng a ni.
- Skin cancer (Primary dermal melanoma): Vun cancer chi hrang hrang hmuh tur awm lo thenkhat chu dermis atang hian a intan thei a.
- Systemic sclerosis (scleroderma): Hemiah hian taksain collagen a siam tam lutuk a, vun a ti thim a, a tikhauh bawk.
Heng natna lan chhuah dan tlangpui chu engte nge ni?
Natna pakhatin dermis a nghawng dan a lan chhuah dan chu:
- Vun a inzawm lutuk emaw, a hring lutuk emaw.
- Joint mobility tam lutuk (hypermobility) a awm.
- Thil tenau ber pawh chungah bruising.
- Vunah a hring leh a sen a awm.
- Vunah hian a khauh, itchy patches a awm.
Heng symptoms te hi i neih chuan a tha ber chu a rang thei ang bera doctor pan a , thurawn lak hi a ni.
Engtin nge dermis hi i hrisel theih ang?
Kan vunah hetiang taka hmun pawimawh tak changtu dermis hrisel taka vawn hi a pawimawh hle. Chumi atan chuan thil danglam bik i tih a ngai lo. Heng tih dan awlsam tak takte hi zawm mai rawh.
- Vun enkawl dan tha tak siam rawh: Ni khatah tui glass 8 tal in thin ang che. Hei hian i vun chhungril atangin a hydrated reng a ni. I taksa silfai nan sahbawn nem, non-abrasive hmang rawh. Inbual zawhah moisturizer tha tak hnawih thin ang che.
- Hliam chu uluk takin silfai: Hliam te tak te a nih pawhin sahbawn leh tui thianghlim hmangin uluk takin silfai thin ang che. Hei hian hri kai venna kawngah a pui thei a ni. Tichuan, petroleum jelly ang chi thil hnawih la, bandage fai takin khuh rawh.
- Ni laka inveng rawh: Ni laka rei tak i awm chuan dermis-a collagen leh elastin fibers te a tichhia a ni. Hei vang hian vun hi a hrual a, a upa nghal vat thin. Chuvangin, chhuah dawnin sunscreen SPF 30 tal hmang thin ang che. A theih chuan thawmhnaw kawr sei leh lukhum bun tur a ni.
Heng thilte hi dik taka i tih chuan dermis i vawng reng thei a, chu chuan i vun chakna leh hriselna a venghim a ni.
Take-Home Thuchah a ni
- Dermis hi kan vun layer lian pathum zinga a lai tak, a thuk ber a ni.
- He layer hian collagen leh elastin a pai a, chu chuan vun chakna leh elasticity a pe a ni.
- Kan hriatna zawng zawng (khaw lum, khaw vawt, natna), thawk hah, leh vun hnim vawn reng hi dermis-a nerve leh gland-te hian an thunun vek a ni.
- I vun hrisel tur chuan tui in tam a pawimawh a, ni laka inven a pawimawh a, i vun a vawt reng bawk.
- I vunah danglamna danglam tak (spots, bruises, excessive dryness) i hmuh chuan doctor nen inbiakna neih a tlai ngai lo.
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