Peb hws thoob plaws hnub, peb lub qhov ncauj ntws thaum peb noj mov, thiab peb ob lub qhov muag ntws kua muag thaum peb tu siab. Txawm hais tias peb xav tias txhua yam no tsuas yog tej yam uas tshwm sim hauv peb lub cev xwb, tom qab txhua yam no yog cov 'factories' me me hauv peb lub cev. Hauv kev kho mob, peb hu cov no ua cov qog exocrine. Yog li hnub no, cia peb tham txog lub cev glandular zoo kawg no.
Hauv lwm lo lus, cov qog exocrine yog dab tsi?
Cov qog exocrine yog cov qe ntshav uas tsim ntau yam tshuaj hauv peb lub cev (xws li hws, qaub ncaug, kua muag, mis nyuj, thiab kua txiv zom zaub mov) thiab tso tawm los ntawm cov raj me me (cov kav dej) mus rau saum npoo ntawm lub cev lossis mus rau hauv qhov hauv lub cev. Xav txog nws zoo li lub kaw lus ntawm cov kav dej siv los thauj cov khoom ua hauv lub Hoobkas mus rau lawv qhov chaw xav tau. Cov qog no kis thoob plaws ntau yam kabmob ntawm peb lub cev thiab ua haujlwm sib txawv hauv txhua qhov chaw.
Qhov txawv ntawm cov qog endocrine thiab exocrine yog dab tsi?
Tej zaum koj twb tau hnov txog cov qog endocrine lawm. Txawm hais tias ob qho tib si yog cov qog, muaj qhov sib txawv loj hauv lawv txoj haujlwm. Nws yog ib qho tseem ceeb kom nkag siab txog qhov sib txawv no.
| Yam ntxwv | Cov qog exocrine | Cov qog endocrine |
|---|---|---|
| Txoj kev ntawm kev tso zis tawm | Qhov no muaj cov ducts sib cais los nqa cov secretions. | Qhov no tsis muaj cov kav dej. Cov kua qaub ncaug raug sau ncaj qha rau hauv cov ntshav . |
| Cov lus uas tau hnov | Tej yam xws li hws, qaub ncaug, kua muag, mis nyuj, cov enzymes. | Tsuas yog cov tshuaj hormones xwb. |
| Piv txwv | Cov qog hws, cov qog salivary, cov qog kua muag. | Cov qog thyroid, cov qog pituitary. |
Tsuas yog nco ntsoov: Exocrine yog cov qog uas muaj 'Exits' (tawm), piv txwv li cov ducts. Endocrine yog cov qog uas tso tawm ncaj qha rau hauv cov ntshav ('Endo' - sab hauv).
Cov hom qog exocrine tseem ceeb hauv peb lub cev yog dab tsi?
Muaj ntau hom qog exocrine uas tseem ceeb rau kev ua haujlwm ntawm peb lub cev. Cia peb saib qee qhov ntawm lawv thiab lawv cov haujlwm yog dab tsi.
| Hom qog | Ua dab tsi lawm (ua haujlwm) |
|---|---|
| Cov qog hws | Peb tsim thiab tso tawm hws. Qhov no pab tswj peb lub cev qhov kub. |
| Cov qog sebaceous | Sebum yog ib yam roj uas tseem ceeb rau daim tawv nqaij thiab plaub hau. Nws tiv thaiv daim tawv nqaij thiab plaub hau. |
| Cov qog salivary | Nws tsim cov qaub ncaug. Qhov no pab zom zaub mov, nqos, thiab zom zaub mov. Nws kuj tseem tiv thaiv cov nqaij hauv qhov ncauj. |
| Cov qog kua muag | Cov qog no, nyob rau sab saum toj ntawm lub qhov muag, tsim cov kua muag. Txhua zaus peb ntsais muag, cov kua muag no nthuav dav thoob plaws lub qhov muag, ua kom nws noo thiab huv. |
| Cov qog mis | Mis niam yog tsim tawm. Cov mis niam no muab cov as-ham uas xav tau rau tus menyuam txoj kev loj hlob thiab ua kom lub cev tiv thaiv kab mob muaj zog. |
| Cov qog ceruminous | Cov qog no, nyob sab hauv pob ntseg, tsim cov quav ciab (cerumen) , uas tiv thaiv pob ntseg ntawm kev puas tsuaj thiab kev kis kab mob. |
| Cov qog plab | Nws tso cov enzymes thiab cov acids uas tsim nyog rau kev zom zaub mov. |
Ntxiv mus, peb lub siab thiab lub txiav yog ob lub cev tshwj xeeb. Vim tias lawv ob leeg ua haujlwm ua cov qog exocrine thiab cov qog endocrine. Lub siab tso cov kua zaub mov zoo li cov kua tsib rau hauv cov kav dej zaub mov (kev ua haujlwm exocrine). Ib yam li ntawd, lub txiav tso cov enzymes zom zaub mov los ntawm cov kav dej (kev ua haujlwm exocrine). Tib lub sijhawm, ob lub cev no tso cov tshuaj hormones ncaj qha rau hauv cov ntshav (kev ua haujlwm endocrine).
Cov qog no muab kev pabcuam dab tsi rau peb lub cev?
Cov qog ua haujlwm sab nraud zoo li ib pawg neeg ua haujlwm ntsiag to hauv peb lub cev. Lawv muab ntau yam txiaj ntsig rau peb.
- Pab zom cov khoom noj thiab nqus cov as-ham.
- Tswj qhov kub ntawm lub cev kom ruaj khov.
- Nws tiv thaiv thiab ua kom peb cov tawv nqaij thiab cov plaub hau noo.
- Tiv thaiv cov nqaij sab hauv ntawm cov kabmob xws li lub qhov muag, pob ntseg, thiab qhov ncauj.
Cov qog exocrine secretes secretions
Cov qog no tso lawv cov khoom tawm hauv ntau txoj kev sib txawv. Muaj peb txoj kev tseem ceeb. Qhov no yuav zoo li kev tshawb fawb me ntsis, tab sis cia peb ua kom yooj yim.
1. Lub cev Merocrine: Qhov tshwm sim ntawm no yog tias cov kua qaub tsuas yog tso tawm yam tsis ua rau muaj kev puas tsuaj rau cov hlwb ntawm lub qog. Yog xav kom meej, los ntawm cov txheej txheem hu ua "Exocytosis". Qhov no yog li cas peb cov qog hws ua haujlwm.
2. Apocrine system: Ntawm no, cov kua qaub ncaug raug tso tawm nrog ib feem me me ntawm lub cell membrane. Ntawd yog, ib daim me me ntawm lub cell raug tso tawm. Peb cov qog mammary (uas tsim cov kua mis niam) yog ib qho piv txwv ntawm lub kaw lus no.
3. Lub cev Holocrine: Hauv qhov no, tag nrho lub cell raug rhuav tshem kom tso cov tshuaj secretion tawm. Qhov no yog li cas peb cov qog sebaceous tso cov sebum tawm.
Cov kab mob dab tsi feem ntau cuam tshuam rau cov qog exocrine?
Vim tias cov qog no nyob thoob plaws peb lub cev, muaj ntau yam mob uas tuaj yeem cuam tshuam rau lawv. Cia peb saib ob peb yam ntawm lawv.
- Kev tawm hws ntau dhau: Kev tawm hws ntau dhau yog tshwm sim los ntawm cov qog hws tsim cov hws ntau dua li lub cev xav tau. Qhov mob no tuaj yeem ua rau qee tus neeg tsis xis nyob hauv kev sib tham.
- Bromhidrosis: Tsw ntxhiab yog tshwm sim los ntawm cov kab mob ntawm daim tawv nqaij uas rhuav tshem cov hws thaum nws qhuav.
- Pob txuv (Acne vulgaris): Cov qog no yog cov ua rau muaj teeb meem pob txuv uas peb feem coob ntsib thaum peb tseem hluas. Pob txuv tshwm sim thaum cov qog roj tsim cov sebum, uas thaiv qhov qhib ntawm cov qog.
- Sjögren's syndrome: Qhov no yog ib yam kab mob "autoimmune", uas txhais tau tias lub cev tiv thaiv kab mob tawm tsam nws cov hlwb. Nws ua rau cov qog salivary thiab kua muag puas tsuaj, ua rau lub qhov ncauj thiab qhov muag qhuav heev.
- Kab mob ntawm cov hlab ntsha hauv lub mis: Thaum lub sijhawm pub niam mis lossis lwm lub sijhawm, tej yam mob xws li kev txhaws thiab o ntawm cov hlab ntsha hauv cov qog mis tuaj yeem tshwm sim.
- Cystic fibrosis: Qhov no yog ib yam kab mob uas muaj los ntawm noob caj noob ces. Kev hloov pauv ntawm cov protein uas koom nrog kev tsim cov hnoos qeev, hws, thiab cov kua qaub hauv lub cev ua rau cov hnoos qeev tuab thiab nplaum sib sau ua ke hauv cov kabmob xws li lub ntsws thiab lub txiav.
- Kab mob Pancreatitis: Kev o ntawm lub pancreas, uas tuaj yeem nres kev tsim cov enzymes uas xav tau los zom zaub mov.
Koj tuaj yeem pom tias cov qog exocrine no tseem ceeb npaum li cas rau kev ua haujlwm ib txwm ntawm peb lub cev. Yog li ntawd, yog tias koj muaj kev txhawj xeeb txog qhov no, piv txwv li, hws ntau dhau, qhov ncauj qhuav, lossis pob txuv uas tsis tuaj yeem tswj tau, tsis txhob yig tham nrog koj tus kws kho mob . Nws yuav tshuaj xyuas koj tus mob thiab muab cov lus qhia tsim nyog rau koj.
Cov Lus Qhia Txog Kev Coj Mus Tsev
- Cov qog exocrine yog ib hom qog uas tsim cov khoom xws li hws, qaub ncaug, thiab kua muag thiab tso tawm los ntawm cov kav dej mus rau ntawm lub cev lossis rau hauv cov qhov.
- Cov qog endocrine yog cov qog tsis muaj duct uas tsim cov tshuaj hormones thiab tso tawm ncaj qha rau hauv cov ntshav.
- Cov qog exocrine no ua ntau yam haujlwm tseem ceeb, xws li kev zom zaub mov, tswj qhov kub ntawm lub cev, thiab tiv thaiv daim tawv nqaij.
- Kev hloov pauv ntawm kev ua haujlwm ntawm cov qog no tuaj yeem ua rau muaj teeb meem xws li tawm hws ntau dhau, pob txuv, thiab qhov ncauj thiab qhov muag qhuav.
- Yog koj muaj tej yam tsos mob tshiab los yog tej yam uas ua rau koj tsis xis nyob, nrog koj tus kws kho mob tham kom tau lus qhia.
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Tsis muaj lus teb tau muab tso tawm. Ntxiv koj cov lus tawm ntawm no thawj zaug.
Ntxiv koj cov lus