Difference between revisions of "विषाणु"
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== संदर्भ == | == संदर्भ == | ||
<references/> | <references/> | ||
| − | [[ | + | [[Category:विषाणु]] |
| − | [[ | + | [[Category:सूक्ष्मजैविकी]] |
| + | [[Category:जीव विज्ञान]] | ||
Revision as of 07:06, 3 August 2010
[[chitr:Influenza-Virus.jpg|thumb|inphlooenja vishanu
Influenza Virus]]
vishanu akoshikiy atisookshm jiv haian jo keval jivit koshika mean hi vansh vriddhi kar sakate haian.[1] ye nabhikiy aml aur protin se milakar gathit hote haian, sharir ke bahar to ye mrit-saman hote haian parantu sharir ke aandar jivit ho jate haian. inhe kristal ke roop me ikattha kiya ja sakata hai. ek vishanu bina kisi sajiv madhyam ke punarutpadan nahian kar sakata hai. yah saik doan varshoan tak sushuptavastha mean rah sakata hai aur jab bhi ek jivit madhyam ya dharak ke sanpark mean ata hai us jiv ki koshika ko bhed kar achchhadit kar deta hai aur jiv bimar ho jata hai. ek bar jab vishanu jivit koshika mean pravesh kar jata hai, vah koshika ke mool arene evan diene ki jenetik sanrachana ko apani jenetik soochana se badal deta hai aur sankramit koshika apane jaise sankramit koshikaoan ka punarutpadan shuroo kar deti hai.
[[chitr:Chikungunya-Virus.jpg|thumb|chikunagunaya vishanu
Chikungunya virus|left]]
vishanu ka aangreji shabd vairas ka shabdik arth vish hota hai. sarvapratham san 1796 mean daktar edavard jenar ne pata lagaya ki chechak, vishanu ke karan hota hai. unhoanne chechak ke tike ka avishkar bhi kiya. isake bad san 1886 mean edolph meyar ne bataya ki tambakoo mean mojek rog ek vishesh prakar ke vairas ke dvara hota hai. roosi vanaspati shastri ivanovaski ne bhi 1892 mean tambakoo mean hone vale mojek rog ka adhyayan karate samay vishanu ke astitv ka pata lagaya. bejernik aur bor ne bhi tambakoo ke patte par isaka prabhav dekha aur usaka nam tobeko mojek rakha. mojek shabd rakhane ka karan inaka mojek ke saman tambakoo ke patte par chinh paya jana tha. is chinh ko dekhakar is vishesh vishanu ka nam unhoanne tobeko mojek vairas rakha.[2]
vishanu labhaprad evan hanikarak donoan prakar ke hote haian. jivanubhoji vishanu ek labhaprad vishanu hai, yah haija, pechish, tayaphayad adi rog utpann karane vale jivanuoan ko nasht kar manav ki rogoan se raksha karata hai. kuchh vishanu paudhe ya jantuoan mean rog utpann karate haian evan haniprad hote haian. echaeevi, inphlooenja vairas, poliyo vairas rog utpann karane vale pramukh vishanu haian. sampark dvara, vayu dvara, bhojan evan jal dvara tatha kitoan dvara vishanuoan ka sancharan hota hai parantu vishisht prakar ke vishanu vishisht vidhiyoan dvara sancharan karate haian.