Amazing hwevanhu ziso: Structure uye Rinoshanda

Ziso remunhu, sechivako izvo tichakurukura munyaya ino, hazvisi pasina achienzaniswa mugirazi kwomweya! runako ravo refu wakapetwa mamiriyoni odes, nhetembo uye ngano. Kubva zera kusvika zera maziso vanoonekwa kuti zvakabatana chaizvo nomweya womunhu. Kunyange nomazvo masayendisiti vanoziva akazvionera chii chiratidzo chedu, hachimboregi katyamadza iye uye kusvikira nhasi, achidana mashandiro ichi chishamiso zvakasikwa!

Ziso remunhu. mamiriro

Meso edu vari kakawanda kufananidzwa kamera. Uye zvirokwazvo, pano uye ikoko kufukidza (cornea) uye izvo (the izvo wake), uye aperture (Iris), uye kunyange chiedza-inonyatsoziva firimu (the retina). The nemamiriro ziso womunhu, ane zvakabatanidzwa mufananidzo, anotiudza pamusoro inotevera.

Externally, yeziso yedu ine mugari ichiratidzika bhora. Zviri yakachengeteka pokurara runoenzanirana nezvigadziko dehenya. Nhengo pachayo ine chikamu zvinoriumba (lacrimal zvomukati, anopenya, conjunctiva, oculomotor tsandanyama) uye vanonzi Manyiminya chikwata (the aqueous zvinosetsa, cornea, vitreous muviri, asi izvo, ivo posterior uye Anterior makamuri).

Ziso remunhu, sechivako ndoupiko unonyanya kunzwisisa hunhu, kavha okumusoro kutsumwaira. Kunze kwavo vakafukidzwa ganda, uye mukati - the conjunctiva (the thinnest nyoro deko). Zvinokosha kucherechedza kuti nokusingaperi uye zvine anokosha misodzi mumasero kuti inyorovese mucous Kamudzira ziso.

Chokunze bemhapemha ziso

Zvinonzi saka-inonzi sclera (ziso mapuroteni), pamberi chikamu chiri zvinoonekwa kuburikidza segirazi conjunctiva. Sclera zvinoenda cornea, pasina iro hapana ziso kwevanhu.

The nemamiriro cornea

Izvi zvinonyanya convex chikamu chedu kutarisana nenyere. Mupfungwa yokufananidzira, ichi ndicho "chinangwa" yedu, hwindo edu munyika yacho ziso pfungwa!

Obert

mhando iyi aperture, raiva shure segirazi cornea. Externally nayo tonyusenkaya plenochka ane yakananga ruvara (brown, bvudzi, zvitema, mutema, etc.).

mboni

At payo chinhu kumativi dema buri. mboni ichi. Pakuita kupfuura ose nemwaranzi uuraye the retina. Munzvimbo mboni ndiyo izvo. Ichi pachangu lenticular izvo, iro achishingaira zvinobatanidzwa pekugara ziso.

Nemamiriro womunhu the retina

By pezvawakaita zviri zvikuru akafanana uropi hwedu. Mupfungwa yokufananidzira, ndiko rudzi hwindo kupinda muuropi. Nechokunze, afanane ndiro rine 10 akaturikidzana nemasero. The the retina ziso riri segirazi. Pasina mubvunzo, ndizvo kukosha paiva photoreceptors, kusanganisira anonzi pematanda uye pasikweya.

Pasikweya vane basa nokuti tinoshandisa yedu pamberi kure, uye netsvimbo zvinopa arikunze. Zvinokosha kucherechedza kuti zvose pasikweya uye tsvimbo vari seri the retina. Naizvozvo, chiedza chinobva kunze, unofanira hazvo kupfuura mamwe akaitwa nhurikidzwa, anotokonya pavo.

Uye pakupedzisira,

Sechivako Meso edu saka zvakaoma, uye nhengo saizvozvo vatete uye akatunhidzwa kuti kutarisana muitiro pacharo chinhu chakafanana chishamiso chaicho!