Umlobi: Louise Ward
Usuku Lokudalwa: 7 Ufebhuwari 2021
Ukuvuselela Usuku: 20 Unovemba 2024
Anonim
Learn English Through Story ★Level 2. story with subtitles / Listening English Practice.
Ividiyo: Learn English Through Story ★Level 2. story with subtitles / Listening English Practice.

-Delile

Amazinyo namathambo kubukeka kufana futhi kwabelana ngokujwayelekile, kufaka phakathi izinto ezinzima kakhulu emzimbeni wakho. Kodwa amazinyo akulona ithambo empeleni.

Lo mbono oyiphutha ungavela ekutheni zombili ziqukethe i-calcium. Amaphesenti angaphezu kwama-99 we-calcium yomzimba wakho angatholakala emathanjeni nasemazinyweni akho. Cishe iphesenti elilodwa litholakala egazini lakho.

Ngaphandle kwalokhu, ukwakheka kwamazinyo namathambo kuhluke kakhulu. Ukwehluka kwabo kwazisa ukuthi baphola kanjani nokuthi kufanele banakekelwe kanjani.

Enziwa ngani amathambo?

Amathambo izicubu eziphilayo. Zenziwe nge-protein collagen kanye ne-calcium phosphate yamaminerali. Lokhu kwenza amathambo aqine kodwa aguquguquke.

I-Collagen ifana ne-scaffolding enikeza uhlaka lwethambo. I-calcium igcwalisa okusele. Ingaphakathi lesithambo linesakhiwo esifana nezinyosi. Ibizwa ngokuthi ithambo le-trabecular. Ithambo le-Trabecular limbozwe yithambo le-cortical.

Ngoba amathambo ayizicubu eziphilayo, zihlala zilungiswa futhi zivuselelwa kuyo yonke impilo yakho. Okuqukethwe akukaze kuhlala kufana. Izicubu ezindala zidiliziwe, bese kudalwa izicubu ezintsha. Lapho amathambo ephuka, amangqamuzana amathambo agijimela endaweni ephukile ukuze aqale ukuvuselelwa kwezicubu. Amathambo aqukethe nomnkantsha, okhiqiza amangqamuzana egazi. Amazinyo awanomnkantsha.


Enziwa ngani amazinyo?

Amazinyo akuzona izicubu eziphilayo. Ziqukethe izinhlobo ezine ezihlukene zezicubu:

  • dentin
  • koqweqwe lwawo
  • usimende
  • uginindela

I-pulp iyinxenye engaphakathi yezinyo. Iqukethe imithambo yegazi, izinzwa nezicubu ezixhumanayo. I-pulp izungezwe i-dentin, embozwe ngoqweqwe lwawo.

Uqweqwe lukhuni olunzima kakhulu emzimbeni. Ayinayo imizwa. Yize okunye ukukhumbula kabusha koqweqwe lwawo kungenzeka, akukwazi ukuphinda kuvuseleleke noma kuzilungise uma kukhona umonakalo omkhulu. Kungakho kubalulekile ukuthi welaphe ukubola kwamazinyo nezimbotshana kungekudala.

I-cementum imboza impande, ngaphansi komugqa wezinsini, futhi isiza izinyo ukuhlala endaweni. Amazinyo aqukethe namanye amaminerali, kepha awunayo i-collagen. Ngoba amazinyo awazona izicubu eziphilayo, kubalulekile ukugcina inhlanzeko yomlomo enhle, ngoba ukulimala kwasekuqaleni kwamazinyo akukwazi ukulungiswa ngokwemvelo.

Okubalulekile

Ngenkathi amazinyo namathambo kungabonakala kuyinto efanayo uma uthi nhlá, empeleni ahluke kakhulu. Amathambo angazilungisa futhi azelaphe, kuyilapho amazinyo engakwazi. Amazinyo abuthaka kakhudlwana kuleyo ndaba, yingakho kubaluleke kakhulu ukwenza inhlanzeko enhle yamazinyo nokubona udokotela wamazinyo njalo.


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