Video: Cov txheej txheej tawv nqaij twg yog vascularized?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Hauv qab ntawm papillary txheej yog lub thicker reticular ntau txheej , tsim los ntawm cov ntaub so ntswg sib txuas tsis sib xws. Qhov no txheej yog zoo ua vascularized thiab muaj ib tug nplua nuj sensory thiab sympathetic paj mov.
Kuj nug, txheej ntawm daim tawv nqaij twg yog avascular?
Epidermis
4 txheej tawv nqaij yog dab tsi? Cov tawv nqaij uas muaj plaub txheej ntawm cov hlwb raug xa mus rau "cov tawv nqaij nyias." Los ntawm qhov tob mus rau sab nraud, cov txheej no yog cov stratum basale , stratum spinosum , stratum granulosum, thiab stratum corneum.
Ib sab ntawm no, txheej txheej ntawm daim tawv nqaij yog avascular thiab vim li cas thiaj li yog qhov zoo?
Cov epidermis yog avascular thiab cell ntawm no txheej yuav tsum tau txais lawv cov pa oxygen thiab cov as -ham los ntawm capillaries hauv daim tawv nqaij. Lub dermis yog ua los ntawm ob txheej ntawm cov ntaub so ntswg sib txuas uas ua kom sib txuas sib txuas ntawm elastin thiab collagenous fibers, tsim los ntawm fibroblasts (Daim duab 5.1. 6).
Puas yog subcutaneous txheej vascular?
Cov ntaub so ntswg subcutaneous , uas tseem hu ua hypodermis, yog sab hauv txheej ntawm daim tawv nqaij. Nws tau ua los ntawm cov rog thiab cov ntaub so ntswg sib txuas uas ua rau cov hlab ntshav loj dua thiab cov paj hlwb, thiab nws ua cov tshuaj tiv thaiv kom pab tswj lub cev kub.
Pom zoo:
Dab tsi yog txheej txheej sab saum toj ntawm daim tawv nqaij nyob ib sab ntawm daim tawv nqaij?
Lub dermis txuas cov epidermis mus rau hypodermis, thiab muab lub zog thiab kev ywj pheej vim muaj cov collagen thiab elastin fibers. Nws tsuas muaj ob txheej: txheej txheej papillary nrog papillae uas nthuav mus rau hauv daim tawv nqaij thiab qis dua, txheej txheej reticular uas muaj cov ntaub so ntswg sib txuas xoob
Dab tsi yog lub npe txheej txheej tawv tawv ntawm cov meninges?
dura mav Xav txog qhov no, txheej txheej ntawm cov meninges hu ua dab tsi? dura mav Ib tus kuj tseem yuav nug tau tias, niam txhais tau tias nyuaj npaum li cas yog txheej txheej ntawm cov meninges? 9592. Anatomical terminology. Dura mater yog ib daim nyias nyias ua los ntawm cov ntaub so ntswg tsis sib xws uas nyob ib puag ncig lub hlwb thiab qaum qaum.
Dab tsi yog txheej txheej txheej hauv qab ntawm daim tawv nqaij?
Lub hauv paus txheej yog txheej txheej sab hauv ntawm txheej txheej, thiab muaj cov kab puag ncig me me hu ua basal cells. Cov hlwb basal txuas ntxiv sib faib, thiab cov hlwb tshiab tas li thawb cov laus mus rau ntawm daim tawv nqaij, qhov twg lawv thiaj li poob
Puas yog lo lus dav dav txhais tau tias yog mob ntawm daim tawv nqaij lossis pob khaus uas tuaj yeem muaj ntau yam ua rau nws yog ib qho cim ntawm ntau hom tawv nqaij tsis xws luag?
Dermatitis yog lo lus dav dav uas piav txog kev ua rau tawv nqaij. Dermatitis yog ib yam mob uas muaj ntau yam ua rau thiab tshwm sim ntau yam. Nws feem ntau yog khaus, tawv nqaij qhuav los yog pob khaus ntawm daim tawv nqaij o, reddened
Hom ntaub so ntswg twg ua rau daim tawv nqaij ntawm daim tawv nqaij?
Lub epidermis yog tsim los ntawm stratified squamous epithelium. Lub dermis muaj cov ntaub so ntswg sib txuas, cov leeg nqaij du, thiab cov paj hlwb