Cov dab neeg zoo kawg ntawm peb daim tawv nqaij (Tib Neeg Daim Tawv Nqaij): Cia peb kawm yooj yim!

Koj puas tau saib koj tus kheej hauv daim iav thiab xav tias, 'Daim tawv nqaij no yog hom twg? Vim li cas nws thiaj tseem ceeb rau peb?'? Tej zaum koj tsis tau muaj sijhawm xav txog nws. Tab sis, daim tawv nqaij no uas peb muaj ntawm peb lub cev yog ib lub cev zoo kawg nkaus. Hnub no, cia peb tham txog peb daim tawv nqaij thiab tej yam uas tshwm sim rau nws, zoo li peb tab tom tham nrog ib tug phooj ywg.

Yog li, qhov 'tawv nqaij' no yog dab tsi?

Hais yooj yim xwb, daim tawv nqaij yog lub cev loj tshaj plaws hauv peb lub cev. Yog lawm, koj hnov ​​​​​​tias yog lawm, lub cev loj tshaj plaws! Xav txog, peb lub cev tag nrho yog npog hauv daim tawv nqaij no. Muaj ntau lab lub hlwb me me hauv txhua nti ntawm koj daim tawv nqaij. Tsis yog li ntawd xwb, tab sis sab hauv daim tawv nqaij no yog cov qog hws, cov qog roj, cov hlab ntsha (zoo li cov antennae me me uas khaws cov kev xav), thiab ntau cov hlab ntsha. Tag nrho cov no ua haujlwm ua ke kom daim tawv nqaij ua haujlwm.

Yog li ntawd, daim tawv nqaij no muaj txiaj ntsig dab tsi rau peb?

Peb daim tawv nqaij tsis yog ib yam khoom siv los npog peb lub cev xwb. Nws muab ntau yam kev pabcuam rau peb. Cia peb saib seb lawv yog dab tsi.

• Tiv thaiv cov kab mob tseem ceeb hauv lub cev: Xav txog seb, tag nrho peb cov kab mob tseem ceeb xws li peb lub plawv, lub ntsws, thiab lub raum nyob hauv lub cev. Daim tawv nqaij zoo li lub npog tiv thaiv rau cov no. Yog vim li cas txawm tias qhov mob me me lossis qhov txiav tsis ua rau cov kab mob sab hauv puas tsuaj ncaj qha.
• Ua ib daim ntaub thaiv: Muaj pes tsawg yam tshuaj lom neeg nyob hauv ib puag ncig peb? Vim peb muaj daim tawv nqaij, cov khoom no tsis yooj yim nkag mus rau hauv lub cev. Nws zoo li ib lub tsho tiv thaiv muaj zog rau ntawm peb lub cev. Qhov no yog vim li cas peb thiaj tsis mob txhua lub sijhawm.
• Tiv thaiv kev raug mob: Thaum peb khiav, ua si, ntog, lossis tsoo ib yam dab tsi, daim tawv nqaij pab tiv thaiv cov nqaij mos mos sab hauv kom tsis txhob raug mob hnyav. Nws zoo li lub txaj pw uas nqus tau kev co .
• Tswj qhov kub ntawm lub cev: Thaum peb xav tias kub, cov hws yog tsim los ntawm cov qog hws hauv daim tawv nqaij. Thaum cov hws ua pa, lub cev txias. Tsis tas li ntawd, thaum hnub txias, daim tawv nqaij pab kom peb sov los ntawm kev txo qhov poob ntawm lub cev kub. Qhov ntawd puas zoo kawg nkaus?
• Kev Tswj Dej: Daim tawv nqaij tiv thaiv cov dej hauv peb lub cev kom tsis txhob evaporate. Yog tsis ua li ntawd, peb yuav qhuav dej sai sai. Tsis tas li ntawd, thaum peb da dej lossis ua luam dej, daim tawv nqaij tiv thaiv cov dej kom tsis txhob nqus mus rau hauv lub cev. Yog tsis ua li ntawd, peb yuav nqus dej zoo li daim txhuam cev thiab o, puas yog?
• Muab kev xav: Peb hnov ​​​​​​qhov kub, txias, qhov mob ntawm ib yam dab tsi chob peb, qhov kov mos mos ntawm ib tug neeg kov peb ... Tag nrho cov no yog hnov ​​​​​​los ntawm cov hlab ntsha tshwj xeeb hauv daim tawv nqaij. Cov no zoo li cov sensors me me uas xa cov ntaub ntawv mus rau lub hlwb. Qhov no kuj yog vim li cas peb thiaj li dim ntawm kev phom sij.

Yog li ntawd, daim tawv nqaij no tsim los li cas? Cov txheej tawv nqaij yog dab tsi?

Zoo, tam sim no cia peb saib seb daim tawv nqaij zoo kawg no ua li cas. Yeej muaj peb txheej tawv nqaij. Nws zoo li lub ncuav mog qab zib txheej.

1. Txheej sab saud: `(Epidermis)`

2. Txheej nruab nrab: `(Dermis)` (Tawv nqaij)

3.Txheej hauv qab: `(Cov ntaub so ntswg hauv qab daim tawv nqaij)`

Peb txheej no ua haujlwm ua ke ua ib pab pawg los ua txhua yam haujlwm uas peb tau hais ua ntej. Cia peb tham txog txhua txheej no kom meej me ntsis ntxiv, puas yog?

Epidermis - txheej tiv thaiv ntawm daim tawv nqaij uas peb pom

Lub '(Epidermis)' yog ib feem ntawm daim tawv nqaij uas koj, kuv, thiab peb txhua tus tuaj yeem pom. Qhov no yog txheej sab saud, tiv thaiv ntawm daim tawv nqaij. Nws zoo li phab ntsa sab nraud tshaj plaws ntawm lub tsev loj. Nws nyias heev rau qee qhov chaw, zoo li peb lub qhov muag, piv txwv li. Tab sis, ntawm qhov tod tes, rau cov chaw uas xav tau kev tiv thaiv ntau dua, zoo li peb txhais tes thiab ko taw, qhov '(Epidermis)' no tuab dua.

Nws yog qhov xav tsis thoob uas peb cov tawv nqaij hloov pauv li cas ntawm qhov chaw mus rau qhov chaw nyob ntawm nws cov kev xav tau!

Ib qho tshwj xeeb ntxiv txog qhov 'Epidermis' no yog tias nws tsim cov hlwb tshiab tas li. Thaum cov hlwb qub tuag thiab poob tawm, cov hlwb tshiab tawm los ntawm txheej hauv qab los hloov lawv. Tag nrho cov txheej txheem no, uas yog, nws siv sijhawm li 28 hnub, lossis li ib hlis, rau lub hlwb tshiab loj hlob, nce mus rau saum, thiab poob tawm. Yog li koj paub, koj tau txais daim tawv nqaij tshiab yuav luag txhua lub hlis!

Muaj peb hom hlwb tseem ceeb hauv daim tawv nqaij epidermis, txhua tus muaj nws txoj haujlwm tshwj xeeb:

• `Melanocytes` - Cov uas muab xim tawv nqaij: Cov hlwb no tsim cov xim ` (Melanin) ` (Melanin). Peb cov tawv nqaij thiab cov plaub hau tau lawv cov xim vim yog qhov ` (Melanin) ` no. Ib txhia neeg muaj tawv nqaij tsaus, ib txhia muaj tawv nqaij dawb, thiab ib txhia muaj tawv nqaij dawb. Qhov laj thawj rau qhov ntawd yog qhov ntau ntawm ` (Melanin) . Cov neeg uas muaj ` (Melanin) ` ntau dua muaj tawv nqaij tsaus, thiab cov neeg uas muaj tsawg dua muaj tawv nqaij dawb. Thaum peb tawm mus rau hauv lub hnub, thaum peb raug lub hnub, cov ` (Melanocytes) ` no raug txhawb thiab tsim ntau ` (Melanin) . Yog vim li cas thaum peb tawm mus rau hauv lub hnub, peb cov tawv nqaij hloov mus ua tsaus me ntsis, lossis qee tus neeg tau txais cov quav hnav. Qhov no yog ib yam dab tsi uas daim tawv nqaij ua los tiv thaiv nws tus kheej ntawm cov teeb meem ntawm lub hnub.
• Keratinocytes - Lub zog thiab kev tiv thaiv ntawm daim tawv nqaij: Cov hlwb no tsim ib hom protein tshwj xeeb hu ua Keratin . Peb cov plaub hau thiab cov rau tes yog ua los ntawm cov protein no . Nws yog cov protein no uas muab lub zog thiab elasticity rau daim tawv nqaij, thiab kuj ua haujlwm ua lub tsho tiv thaiv los tiv thaiv daim tawv nqaij ntawm cov kab mob sab nraud thiab kev raug mob me.
• Cov qe ntshav Langerhans - Cov tub rog tiv thaiv kab mob ntawm daim tawv nqaij: Cov qe ntshav no yog ib feem ntawm peb lub cev tiv thaiv kab mob. Zoo li cov tub rog me me, lawv pab paub thiab tawm tsam cov kab mob sib kis uas sim nkag mus rau hauv lub cev los ntawm daim tawv nqaij.

Dermis - Qhov chaw ua haujlwm ntawm daim tawv nqaij

Hauv qab daim tawv nqaij epidermis, txheej nruab nrab ntawm daim tawv nqaij, yog dermis . Qhov no tuab dua li daim tawv nqaij epidermis. Qhov no yog qhov uas feem ntau ntawm daim tawv nqaij txoj haujlwm tseem ceeb tshwm sim. Nws zoo li lub nroog uas muaj neeg coob coob.

Cov "Dermis" no feem ntau yog ua los ntawm ob hom fibers:

• ` ( Collagen): Qhov no yog qhov ua rau daim tawv nqaij muaj zog thiab ruaj khov. Qhov no tseem ceeb heev rau kev ua kom daim tawv nqaij zoo li hluas.
• ` (Elastin) ` (Elastin): Qhov no ua rau daim tawv nqaij yoog tau. Qhov ntawd txhais tau tias thaum daim tawv nqaij ncab thiab tso tawm, nws rov qab mus rau nws cov duab qub, thiab qhov ntawd yog qhov ` (Elastin) ` pab nrog. Nws zoo li ib txoj hlua roj hmab.

Thaum peb laus zuj zus, qhov tsim tawm ntawm " Collagen" thiab " Elastin" txo qis. Yog vim li cas daim tawv nqaij thiaj pib ntsws thiab qaug zog thaum peb laus zuj zus.

Tsis yog cov fibers no xwb, tseem muaj ntau yam tseem ceeb heev hauv '(Dermis)':

• Cov hlab ntsha: Cov hlab ntsha no muab cov as-ham thiab oxygen rau txheej sab saud, daim tawv nqaij sab saud,. Cov as-ham no yog qhov tseem ceeb rau kev loj hlob ntawm cov hlwb tshiab hauv daim tawv nqaij sab saud. Qee zaum, thaum peb txaj muag lossis ntshai, peb lub ntsej muag yuav liab vim tias cov hlab ntsha no nthuav dav.
• Cov hlab ntsha kawg: Raws li peb tau tham txog lawm, txhua yam peb hnov, xws li mob, kub (kub/txias), siab, kov, thiab lwm yam, yog ua tau los ntawm cov hlab ntsha kawg hauv '(Dermis)'. Yog tsis muaj cov no, peb yuav tsis hnov ​​dab tsi li.
• Cov qog hws: Cov qog no tsim hws, uas pab tswj qhov kub ntawm lub cev. Thaum cov hws ua pa tawm ntawm daim tawv nqaij, nws ua rau lub cev txias.
• Cov plaub hau hauv paus: Txhua cov plaub hau ntawm peb lub cev pib los ntawm ib lub hauv paus me me hauv daim tawv nqaij dermis. Cov hauv paus plaub hau nyob ntawm no.
• Cov qog sebaceous - Cov roj tsim cov tawv nqaij: Cov qog no tsim cov roj hu ua sebum . Cov sebum no ua rau daim tawv nqaij du thiab noo noo. Nws kuj pab kom daim tawv nqaij tsis ntub dej. Qee zaum, cov sebum ntau dhau tuaj yeem ua rau pob txuv.

`(Cov ntaub so ntswg hauv qab daim tawv nqaij)` (cov ntaub so ntswg hauv qab daim tawv nqaij) - kev tiv thaiv thiab kev sov ntawm txheej tob tshaj plaws

Tam sim no peb tuaj txog qhov tob tshaj plaws, lossis hauv qab, txheej ntawm daim tawv nqaij. Qhov no hu ua " Subcutaneous tissue" lossis qee zaum "Hypodermis". Nws nyob hauv qab "Dermis", ncaj qha saum cov leeg thiab pob txha.

Cov txheej no feem ntau yog ua los ntawm cov rog . Cov txheej rog no muab ntau yam txiaj ntsig rau peb:

• Kev tiv thaiv zoo li lub hauv ncoo: Yog tias peb ntog lossis tsoo ib yam dab tsi, nws nqus tau qhov kev poob siab yam tsis ua rau cov pob txha lossis cov kabmob sab hauv puas tsuaj, muab kev tiv thaiv zoo li lub txaj pw.
• Ua kom lub cev sov: Cov roj no ua haujlwm zoo li 'insulator', tiv thaiv lub cev kom tsis txhob kub tawm, pab tiv thaiv peb ntawm qhov txias thiab ua kom peb sov. Yog vim li cas cov tsiaj nyob rau hauv cov teb chaws txias muaj ib txheej roj loj ntawm lawv lub cev.
• Khaws cia lub zog:Lub zog khaws cia rau hauv txheej no ua rog kom siv thaum xav tau. Qhov no yog qhov uas lub cev tau txais zog thaum peb tsis noj mov.

Yog li koj tuaj yeem pom tias peb txheej tawv nqaij no tseem ceeb npaum li cas, thiab lawv sib txuas li cas thiab lawv ua dab tsi rau peb lub cev.

Yog li ntawd, cov lus qhia uas peb tau kawm hnub no yog dab tsi?

Peb daim tawv nqaij tsis yog ib lub plhaub xwb, nws yog ib qho zoo kawg nkaus, muaj ntau yam kev tiv thaiv, tswj, thiab sensor hauv peb lub cev.

• Muaj peb txheej tseem ceeb ntawm daim tawv nqaij: epidermis, dermis, thiab subcutaneous tissue. Txhua txheej no puav leej tshwj xeeb.
• Txhua txheej no yog qhov tseem ceeb rau peb txoj kev tiv thaiv, tswj qhov kub ntawm lub cev, muab kev xav, thiab ntau ntxiv. Yog tias ib txheej tsis ua haujlwm zoo, peb tuaj yeem muaj ntau yam teeb meem.
• Kev saib xyuas koj daim tawv nqaij kom zoo, uas txhais tau tias ua kom nws huv, ua kom nws noo, thiab tiv thaiv nws ntawm lub hnub lub teeb phem, yog qhov tseem ceeb heev rau peb txoj kev noj qab haus huv tag nrho.

Yog li ntawd, lub sijhawm tom ntej koj saib koj daim tawv nqaij, tsis txhob hnov ​​​​​​qab nco ntsoov tias nws muaj nqis npaum li cas thiab nws ua haujlwm ntau npaum li cas! Kho koj daim tawv nqaij nrog kev hlub, vim nws zoo li ib tug phooj ywg uas yuav pab koj thoob plaws koj lub neej.

Tawv nqaij, cov txheej tawv nqaij, epidermis, dermis, cov ntaub so ntswg subcutaneous, kev ua haujlwm ntawm tawv nqaij, kev noj qab haus huv ntawm tawv nqaij