Tsika ndiyo nzira inoshandiswa kuzivisa zvipenyu zvinopomerwa kuti zvinokonzera utachiona. Nzvimbo dzinoshandiswa kuzivisa zvirwere zvinotapukira kubva mumuginho, chigaro, chikamu chepabonde, huro uye maronda echando. Muchiedza, chirongwa chetsika chinoshandiswa kutarisa kana kuputika kunokonzerwa nehutachiona uye chii chiripo chinokonzera.
Chii Chimiro?
Chirongwa chetsika chinoratidza chikonzero chekutapukirwa uye chinobvumira chiremba kuti aite kunyatsoongorora uye kupa mishonga zvakakodzera.
Chimiro chinosanganisira zvinotevera:
- A mudziyo. Zvigadziro zvinowanzosanganisira Petri ndiro uye test tubes.
- Culture medium. Iyi ndiyo "goo" iyo zvipenyu zvinowedzera mukati. Kune marudzi anopfuura zana akasiyana-siyana emutambo wezvigadzirwa zvakagadzirirwa kupa hutano hwakanaka hwehupenyu humwe huri kukura, kubva munyu, kusvika kune shuga, kumaminerari, kusvika kune agar, gent yakashandiswa kuita tsika dzakasimba.
- Muenzaniso. Chimiro chinofanirwa kusanganisira mutsara kana sampuli yakasvibiswa inofungidzirwa kuti inotapukirwa.
Apo chiremba anorayira tsika, iye anofanira kutsanangura rudzi rwehupenyu hunofungidzirwa. Dzimwe nguva izvi zviri nyore: bhakitiriya tsika pamusana pechipfuva kana chirwere chetachiona pachirwere chepabonde chinotaridzika sa herpes . Kana zvisiri pachena kuti mhando ipi yehupenyu inobatanidzwa, chiremba anogona kurayira mhando dzakasiyana dzedzimwe tsika, sechimiro chechimiro uye tsika yefungal yekumhanya kusina kujairika .
Kana chimiro chichitsanangura chimiro, mhuka inogona kuve yakasununguka pamishonga yakasiyana-siyana kuti ione kuti ndeipi inoshanda zvikuru.
Izvi zvinozivikanwa sekutarisa kunzwisisika kwehupenyu.
Mhando dzeCultures
Kune mhando mitatu yemitambo: yakasimba, mvura uye sero.
- Solid tsika. Bhakitiriya uye fungi zvinowedzera pamusoro pevhu, zvine mishonga, salt, uye agar, iyo inobva kune algae. Imwe michina isina kukwana inokwana kukura ikoni yakazara yakaitwa nezviuru zvemasero, izvo zvinoita kuti tsika dzakasimba dzive inobatsira zvikuru. Zvisikwa zvakasiyana-siyana zvicharatidza mavara akasiyana-siyana, maumbirwo, mashizha uye kukura kwemazana, kubatsira masayenzi ezvinyorwa zvechirwere anoita sarudzo yakarurama.
- Liquid tsika. Chimiro chemvura chinokura mumusanganiswa wemvura wezvibereko. Izvo zvipenyu zvakawanda zviripo mumutsika, iyo inokurumidza mvura inosviba. Tsika dzemuviri hazvibatsiri semitemo yakasimba nokuti pane dzimwe nguva mhando dzakasiyana-siyana dzezvipenyu zviripo, zvichiita kuti zvive nyore kuisa chimwe chinhu. Iyo inowanzoshandiswa kuongororwa zvirwere zvepasitic.
- Cell tsika. Muchikamu chetsika, masero evanhu nemhuka anoshandiswa kutapudza sero tsika nemararamiro aripo. Kuongororwa kunobva pakuita kunoita masero. Siri tsika mimwe miedzo inowanzobatanidza tsika dzakasimba uye dzakachena, saka dzinoshandiswa senzira yechipiri.
Sources:
"Tsika." Dorland's Illustrated Medical Dictionary, 31 Ed. Philadelphia: Saunders, 2007.
"Tsika." Stedman's Medical Dictionary, 28th Ed. Baltimore: Lippincott Williams & Wilkins, 2006. 469.