Asirin da ido tsarin

Wani lokaci mutum ido idan aka kwatanta da wani Tantancewar tsarin: shi yana svetovosprinimayuschuyu matrix, ko akan tantanin ido, Iris, cewa shi ne, da almajiri, ruwan tabarau, watau ruwan tabarau, da kuma nazarin halittu jiki - da sclera. Ka yi la'akari da tsarin da ido mafi asirin, to fahimci wayo na'urar.

A adam ido a gaban kare da ƙarni - ƙananan kuma babba. Waje da mutum fatar ido rufe a cikin fata, ciki - da conjunctiva, da bakin ciki membrane. Eyelids da kuma gashin idanu suna kare daga turɓaya da zuriyar dabbobi a cikin ido. A sebaceous gland, located a karkashin eyelids, inganta ruwa rabuwa, wanda kullum moistens da eyeball. Har ila yau a karkashin eyelids located tsokoki da kuma guringuntsi, godiya ga wanda za mu iya kibta, saboda tsokoki suna kore har abada. The ido sasanninta aka shirya hawaye maki ta hanyar abin da aka kasaftawa musamman m kira hawaye. Godiya ga hawaye, za mu ba kawai sake saita nauyin tara motsin zuciyarmu da kuma tsarkake idanu daga turɓãya, wanke ciki da idanu da kuma kawar da gubobi daga jiki.

ido haltta ne na musamman da kuma Sankiran. A kowane eyeball ne shida tsokoki, kowanne daga abin da ya aikata ta aiki. Tsokoki da damar da mu zuwa da yardar kaina juya idanunku kuma mayar da hankali a kan wani musamman ra'ayi. Inji tsarin da ido ya sa ta gaban a cikin matsanancin harsashi na cornea da sclera. A wani ido da ake kira sclera gina jiki saboda shi yana da farin launi. Yana bautarka 5/6 na ido , kuma yana da m aiki, amma kuma tana goyon bayan siffar da ido. Cornea ne m, kuma yana da convex siffar. Babban aiki na cornea ne refraction haske.

ido tsarin da inji halin da zagaye rami - da almajiri, wanda aka located in tsakiyar Iris. Af, da Iris pigment kayyade launi na idanunmu. Dangane da pigment, da ido launi na iya zama ko dai Hazel ko blue da kuma kore. Wuce ta cikin almajiri haskoki isa akan tantanin ido. Idan haske ne mai haske, da almajiri Narrows, idan dakin duhu - ne fadada. almajiri size nuna nawa wani mutum ƙagauta idanu su mayar da hankali a kan abubuwa. Kuma a cikin duhu yi yawa mafi rikitarwa. A tsarin da mutum ido saboda da gaban wani kashi - da ruwan tabarau. Da ruwan tabarau ne dake a cikin almajiri da kuma hidima a matsayin lenticular ruwan tabarau. A cornea da ruwan tabarau na feed ruwa daga ido kyamarori.

An muhimmin ɓangare na ido ne akan tantanin ido. Yana da wani farantin kunsha da dama yadudduka na Kwayoyin. A tsarin da ido duka dogara kan yadda da kyau mutum ne da hamzari ga ganewar abubuwa. Bayan da akan tantanin ido ne baki abu - melanin, wanda garwaya da shigowa hasken, ba zai yale shi ya gani. Har ila yau, adadin melanin kayyade launi da idanu. A mafi melanin - da duhu da mutum ido. Sai ya faru da cewa mutane suna da daban-daban ido launi. Wannan ne evidenced da warwarewarsu na pigment.

The na'urar tsarin da ido - wani sabon abu da kuma hadadden sabon abu, a inji, da masana kimiyya daga kasashe daban-daban na aiki a kan cewa for ƙarni da dama. Domin rarrabe tsakanin wani mutum da seen wani iri-iri abubuwa, shafe da dama, tsokoki, da jijiyoyi da gidajen abinci. A adam ido - shi ne cikkaken tsarin, da dukan inji na'urar. Shi ne mai ban mamaki da yadda hikima kuma daidai da shi da aka halitta da nufin. Godiya ga hangen nesa, mu koyi game da duniya, da muka gudanar da muhimmanci ayyuka da kuma sadarwa. Yana da wuya a kwatanta yadda mutane samun tare ba tare da gani. Saboda haka wajibi ne a kula da kare ka faɗi mafarkinka. Kada ku zauna ga tsawo sa'o'i a gaban kwamfuta, karanta da yawa da kuma iri idanunku. A adam ido, kazalika da jiki a matsayin dukan, na bukatar sauran. Sabõda haka kada ka manta don samun isasshen barci, yi darussan ga idanu, don haka abin da suka kasance da lafiya da kuma sha'awar.