MapangidweSayansi

Maselo Animal - mbiri ya chidziwitso

Kapangidwe ma zachilengedwe anaululira anthu atangobadwa atayamba maso a. Mu 1590, chipangizo chinachake chopangidwa ndi H. Jansen, anabweretsa kafukufuku mlingo watsopano. History of Kupezeka kwa maselo anayamba kwa mphindi. Asayansi a nthawi imeneyo njira yaitali chidziwitso unit wa zamoyo zonse, mpaka kunali anapeza kwambiri. Selo chomera anali woyamba ndinawona ndi kuphunzira English katswiri ndi wasayansi Robert Hooke mu 1665 pa zigawo Nkhata Bay anapeza dongosolo zachilendo maonekedwe awo ofanana ndi uchi njuchi. Izi anaitana maselo. Koma Robert Hooke kwambiri analakwitsa pa maphunziro awo, kutanthauza kuti maselo okha ali kanthu, ndipo malinga awo ndi kukhalamo kanthu.

pofuna kukwaniritsa Optics kwachititsa zitsanzo zina zotsogola wa microscopes. Kudzera mandala a atsopano wa ku Netherlands Antoni galimoto Leeuwenhoek ankatha kuona mmene ntchito yomanga maselo nyama. Iye anasiya anapeza pa pepala mu mawonekedwe a pansi-zojambula, chosonyeza iwo anawona mwa simungathe kutiona. Iwo anafotokoza ndi mabakiteriya, umuna, komanso maselo ofiira ndi kayendedwe awo capillaries lapansi. Koma ngakhale ngakhale asayansi kafukufuku, kuyambira kalekale anakhalabe funso sanathetsedwe - ngati maselo kwenikweni ndiwo maziko a dongosolo la zamoyo zonse. Izo zinali kokha mu 1838 - 1839 ndi yankho akanapereka katswiri M. Schleiden ndi katswiri T. Schwann. Iwo anakonza za postulates zoyambirira za chiphunzitso selo, chimene chinafika mpaka masiku ano, ndi kusintha zazing'ono, anasintha ndi atulukira posachedwapa sayansi.

Tsopano, asayansi German kusanthula deta zilipo, anali kudziwa kuti ndi mwamtheradi onse zomera ndi nyama wapangidwa maselo. Motero, aliyense zomera ndi nyama maselo patokha palokha wagawo, tikukhala mu umodzi wogwirizana ndi chamoyo wonse. Koma apeza sanali olondola kotheratu. Komabe, mbiri ya kuphunzira selo ladzala ndi zochitika zimenezi. Patapita kanthawi compatriot awo Virchow anatha kutsimikizira kuti iri yonse yochepetsetsa lachokera ku maselo ena ndi nkhambakamwa za chiyambi cha zinthu ma balamanthu, zopangidwa ndi anzake amene analipo m'mbuyomo, kuziyika izo modekha, pachithunzichi.

maselo Animal imodzi poyera kuti kafukufuku m'mayiko ambiri. Choncho, ngakhale pamaso mapangidwe chiphunzitso cha ndende, Chingerezi katswiri R. Brown anapeza kuvomerezedwa zikuluzikulu za mukachipinda - phata. Ndipo mu 1895, T. Boveri anatha kuona maso ndi kufotokoza ng'ombe atagona pafupi phata, amene ankatchedwa centrioles. Mu 1890, asayansi R. Altman anafotokoza dvumembrannye organelles otchedwa mitochondria. Malinga ndi iye, waukulu ntchito ya mitochondria anali ndi kupereka maselo ndi mphamvu. Ndipo, n'zosadabwitsa, kopanda yasonyeza kukhala wolondola ndipo wakhala zikutsimikiziridwa ndi zaka za kafukufuku.

Ndiye, pa nthawi yaitali, abale maphunziro wangwiro chipangizo microscopes, kulola kuphunzira kwambiri kapangidwe ka khungu. Nthawi panali atulukira, kukonza wogwila chiphunzitso selo. Koma weniweni kwachilengedwenso yojambula pokhapokha oyamba a elekitironi maso. K. Porter mu 1945 anatha kuona ndi kufotokozera reticulum endoplasmic (reticulum), imene selo nyama umabala mapuloteni kaphatikizidwe, dzuwa ndi lipids. Kenako, m'chaka cha 1955 ntchito kuwala maikulosikopu lysosomes anali kuphunzira - makamaka nyumba globular kwa akuwaza ndi biopolymers munali michere zosiyanasiyana proteolytic.

Kuphunzira maselo nyama ndi mfundo "ku chinthu chimodzi - ndi kovuta". njira Akatswiri ofufuza kulola kuti athe kuphunzira zinthu DNA, zikuchokera protoplasm ndi zina zambiri. Choncho, patsogolo luso pali kuthekera podziwa zonse moyo. Ndicho, izi amamuchititsa maganizo a anthu.

Similar articles

 

 

 

 

Trending Now

 

 

 

 

Newest

Copyright © 2018 ny.delachieve.com. Theme powered by WordPress.