Cov plaub muag

Cov plaub muag

Cov plaub muag (los ntawm Latin cilium) yog cov plaub hau nyob ntawm cov npoo dawb ntawm daim tawv muag.

Anatomy

Cov plaub muag yog cov plaub hau uas yog ib feem ntawm cov khoom sib xws, zoo li plaub hau thiab rau tes.

Txoj hauj lwm. Cov plaub muag pib ntawm cov npoo dawb ntawm 4 daim tawv muag (1). Nrog qhov ntev nruab nrab ntawm 8 txog 12 hli, cov plaub muag ntawm daim tawv muag sab saud yog 150 txog 200 rau ib daim tawv muag. Cov plaub muag ntawm daim tawv muag qis dua thiab luv dua. Los ntawm 50 txog 150 cov plaub muag tau teeb tsa ntawm txhua lub qhov muag nrog qhov ntev ntawm 6 txog 8 hli nyob rau nruab nrab.

qauv. Cov plaub muag muaj cov qauv zoo ib yam li cov plaub muag. Lawv suav nrog ob ntu (2):

  • Lub qia yog ntu ntu ua los ntawm cov kab keratinized, uas tau txuas ntxiv txuas ntxiv. Cov hlwb no muaj cov xim uas muab xim tshwj xeeb rau cov plaub muag. Cov laus tshaj plaws yog nyob ntawm qhov kawg ntawm cov plaub hau.
  • Lub hauv paus yog qhov kawg ntawm cov plaub hau cog tob rau hauv daim tawv nqaij. Lub hauv paus loj dua ua cov plaub hau uas muaj cov hlab ntsha uas muaj txiaj ntsig, tshwj xeeb tshaj yog tso cai txuas xov tooj ntawm tes thiab nce plaub hau.

Sab Hauv. Cov hauv paus plaub hau, kab noj hniav uas cov plaub muag nyob, muaj ntau txoj hlab ntshav xaus (1).

Ancillary qog. Cov qog sib txawv tau txuas rau cov plaub muag, suav nrog cov qog hws thiab cov qog sebaceous. Qhov tom kawg zais cov roj uas ua rau lub qhov muag thiab lub qhov muag (1).

Lub luag haujlwm ntawm cov plaub muag

Lub luag haujlwm tiv thaiv / Lub qhov muag ntsais muag. Cov plaub muag muaj cov hauv paus plaub hau nrog ntau txoj hlab ntshav xaus, ceeb toom thiab tiv thaiv ob lub qhov muag thaum muaj xwm txheej. Qhov tshwm sim no yuav ua rau rov ua rau ntsais muag ntawm lub qhov muag (1).

Pathology txuam nrog cov plaub muag

Cov plaub muag txawv txav. Qee yam kab mob tuaj yeem ua rau muaj kev txawv txav hauv kev loj hlob, xim xim, kev taw qhia lossis txoj haujlwm ntawm cov plaub muag (3).

  • Kev loj hlob txawv txav. Qee yam kab mob tuaj yeem cuam tshuam kev loj hlob ntawm cov plaub muag xws li hypotrichosis, sib xws rau qhov nres ntawm kev loj hlob ntawm cov plaub muag; hypertrichosis, suav nrog kev loj hlob ntawm cov plaub muag hauv tuab thiab ntev heev; lossis madarosis nrog qhov tsis tuaj lossis ploj ntawm cov plaub muag.
  • Pigmentation txawv txav. Teeb meem cov plaub muag tuaj yeem txuas rau qee yam kab mob xws li leukotrichia, txhais los ntawm qhov tsis muaj xim ciliary; poliosis lossis canities, qhia txog qhov ua kom tawv muag ntawm cov plaub muag thiab tag nrho cov plaub mos mos ntawm lub cev.
  • Directional thiab positional anomalies. Qee yam kab mob tuaj yeem hloov kho cov lus qhia lossis txoj haujlwm ntawm cov plaub muag xws li distichiasis, txhim kho ob kab plaub muag; los yog trichiasis qhov uas cov plaub muag txhuam tsis zoo ntawm lub qhov muag.

Alopecia. Alopecia hais txog ib nrab lossis tag nrho cov plaub hau lossis plaub hau ntawm lub cev. 4 Nws keeb kwm tuaj yeem txuas nrog cov caj ces, hnub nyoog, teeb meem lossis kab mob, lossis tseem rov ua dua tshiab. Qhov no ua rau ob hom alopecia: tsis muaj caws pliav qhov twg cov plaub hau rov tuaj yeem ua tau vim tias tsis muaj kev puas tsuaj rau cov hauv paus plaub hau; thiab nti qhov twg tsis tuaj yeem rov tsim tau vim tias cov hauv paus plaub hau puas lawm.

Pelade. Alopecia areata yog ib yam kab mob uas ua rau plaub hau poob lossis ua plaub hau. Nws tuaj yeem cuam tshuam tsuas yog qee qhov ntawm lub cev lossis tag nrho. Nws qhov ua rau tseem tsis nkag siab, tab sis qee qhov kev tshawb fawb qhia txog keeb kwm autoimmune. (5)

kev kho mob

Tshuaj kho mob. Nyob ntawm qhov keeb kwm ntawm cov plaub hau poob, qee yam kev kho mob yuav raug sau tseg xws li tshuaj tiv thaiv kab mob (corticosteroids), kho tshuaj hormonal lossis tshuaj pleev vasodilator.

Kev phais mob. Nyob ntawm tus kab mob pathology kuaj pom, kev kho phais tuaj yeem ua tiav.

Kev kuaj qhov muag

Kev kuaj kab mob dermatological Txhawm rau txheeb xyuas keeb kwm ntawm cov kab mob cuam tshuam rau cov plaub muag, kev tshuaj ntsuam tawv nqaij tau ua tiav.

Lub Cim

Zoo nkauj cim. Cov plaub muag yog txuam nrog poj niam thiab kev zoo nkauj ntawm qhov muag.

Sau ntawv cia Ncua