Kiriwaho - he aha te mea te reira? Ko te hanganga o te kiriwaho

Kiri, kia rite ki dermatologists maha, ko te okana tangata matatini. He paparanga maha, me te momo o ngā mahi, whakarato whatunga mateoha o oko toto me ngā rōpū o receptors karere nui reira i roto i te tiaki o te tangata i ngā āhuatanga taiao. Ano, ko te kiri ano whai wāhi kōrerorero, he te kaha ki te farii i ngā mōhiohio tūturu i te ao i waho. Kia Ko nui te kahu o runga o te kiriwaho anake rite te arai aunoa, Ko te tino nui tona uara.

āhuatanga General o te kiriwaho

Papanga wehewehe, höu, mate, me te kua ngā pūtau mate ko te kiriwaho. He aha te mea te reira? Tenei papanga katoa e he papa maha nei ngā pūtau i takea mai i te puna kotahi, engari whakaritea i ngā taumata rerekē i runga i te tohu o te matuatanga rānei. Ko te kiriwaho Ko te arai tuatahi ao fehangahangai e tetahi pea mōrearea mo te tinana o te take taiao.

hanganga paparanga: papa o te kiri

hanganga paparanga o te kiri - 3 ngā papa e mahi ana mahi rerekē. Ko te nui tino o enei ko te dermal he oko toto, receptors me uaua. kei hoki i roto i te huruhuru ākiri. Na ratou "tupuna", me te whao, ko te kiriwaho. He aha te mea te reira? Tenei paparanga horny kei tika i runga i te kiri, me te whai wāhi tiaki, e kore anake i roto i te pā ana ki reira, engari ano hoki i te rauropi katoa. Little ākiri hohonu he kahu iti nui o te kiri - kikokiko, te wahi piki i roto i adipocytes ngako.

hanganga paparanga o te kiriwaho

Ko te kahu hohonu ko te basal i whakapau ki kei te pūtau e taea o wehewehe. Nā ki a ratou i reira ko te faaho'iraa mai o ngā pūtau pakaru me ētahi o ngaro unahi horny. Ko te matotoru o te melanocytes paparanga basal Kei kotahi piki taonga ngarahu pango (melanin) e hiahiatia ana mo te tiaki hihi katinga o te kiri.

paparanga koikoi kei runga ake i te basal me hanga i roto i te puka o rarangi 3-8 o ngā pūtau ora kua taea ki te wehe. E honoa ratou ki tetahi ki tetahi i roto i protrusions cytoplasmic ki te hoatu mīhini kaha o te kiri. I roto i ngā wāhanga o te kiri i raro ki awenga waho puta pinepine, te maha o ngā papa taratara pūtau piki ki 8-10 nga wahi. I roto i enei wahi kahore he repe werawera me te huruhuru: te waewae me te ringa. Ki te kino auau thickened hoki atu wahi o nga paparanga o te kiriwaho ki te hanga i te callus.

Tonu i runga i te paparanga spinous he potakataka, e kei te hawhe pūtau epidermal mate. ngaro ratou organelles kaha ki te whakaputa i te pūngao, engari kohikohi he nui nui o tonofibrils. kahu potakataka titoa o 1-2 anake paparanga pūtau hāngai whakarara ki te mata kiri.

paparanga Brilliant huaina pūtau tino kowaiwai o organelles. Ratou whakaaro - te tiaki pūkaha o te kiri, me te ngaro āta, kinonga ki te corneum whāriki. He pāpaku noa te whakamutunga. Ko reira he huinga o ngā pūtau kawe mate, e he he tauārai nui ki awe pathogenic.

Taumahi o ngā pūtau epidermal

Ko te mahi matua o te kiriwaho ko te hanganga o aunoa, tinana, koiora me te matū tauārai, delimiting te taiao ā-i te tukumate pea, me te tūturu. Otiia e kore e te e e takaro tūranga katoa i te kiriwaho. He aha te mea te reira, a pehea rite faataa?

• Tuatahi, delimits te apa mata te taiao o te tinana, me te ao i waho ki te tiaki i te tinana me te mo te ārai leakage o matū nui me ngā wāhanga.
• Tuarua, pai tiaki reira te kiriwaho ki ionizing corpuscular me radiation poipoi o te mana iti, me i te tinana anga ra.
• Te toru, te kiriwaho o te kiri - ki te arai matū pai ārai kătahi me absorption o matū hydrophilic. Na te lipophilic (ngako-wairewa) e pai whakaritea ratou.
• Na muri i runga i te rārangi, engari kahore mahi iti nui - tiaki koiora. He he he nui iti rawa o huakita me harore e taea e whakapoke tangata i roto i te kiri. takaro tūranga paruru Basic e te kiriwaho. He aha te mea te reira? Ko te arai aunoa pai e kore e noa tukua ki te tiki i te huaketo, te huakita, harore werau ranei ki te tinana, meinga mumura reira tenei.

Te kore melanocytes me ngā pūtau mate o nga mahi kiriwaho kihai i i whakatinanatia. pūtau epithelial ngāue rite te arai hangarau, me te melanocytes - optical. Tenei te tikanga e tiaki te cuticle ki kino me te whakaetonga o te wai, me ngā pūtau ngarahu - i radiation hihi katinga. Kua whakaaetia tenei katoa tangata ki te urutau ki te tikanga e puta i roto i te ao noa. I muri i te katoa, kua whakaaetia te kiri te whanaketanga o te kaiao i nei tipu tangata, i roto o te wai, me te wikitoria i te whenua.

Ko te āhuatanga matua o te kiriwaho

paparanga katoa o te kiri phylogenetically tipu mō te whakarato etahi mahi. Ko te kiriwaho Ko hangaia te kiri e ki te tiaki ki ngā pānga aunoa, tinana, me te matū. Kei te hiahiatia te reira ki te whakawhāiti i te mate o te inu e taea whakaeto i tona mata i muri anake i te secretion o repe werawera. Tētahi atu tikanga mo te leakage inu whaiaroaro i te tinana i roto i te kiri, ko te wātea.

Ki te whakaaro tatou i te kiriwaho i te wāhi Paku o tirohanga, te kitea he nga meka e whai ake. e kore e whai tenei apa kiri kita me pokapoka, i reira he kahore oko toto. Kei te powered te reira i te tūringiringi o matū i nga oko toto o nga kiri o te kiri. Na reira ko ona raruraru Paku anake te whai ake: hyperkeratosis (kiriwaho thickened paparanga) me etahi tihorenga kiri. Tohe enei ari, me te psoriasis, a titau maimoatanga te tono o poke.

Māuiuitanga o te kiriwaho me te melanocyte

He maha ngā kāwai o mate e taea mamae i te kiriwaho. He aha te mea te reira me pehea e whakakitea nga āhua raraunga, lau raro. Ko te kāwai tuatahi - mate e pā ana ki nui haere whakarea o epidermal basal pūtau apa. huaina te mate te psoriasis. He he ano hoki te huru congenital - ichthyosis, i roto i nei kua whanau te tamaiti ki hyperkeratosis me kore he taea. Ko te rōpū tuarua o mate o nga kiriwaho - te puku. Mai i te kiriwaho taea te whakawhanake mate pukupuku pūtau basal me te tonapuku. Taketake te whakamutunga i melanocytes.