वृक्क  हिन्दी देवनागरी में पढ़ें।

manav vrikk
Human Kidney

(angrezi:Kidneys) vrikk adhikansh jiv jntuon ke sharir ka avashyak ang hain. is lekh men manav sharir se snbndhit ullekh hai. manushy men ek jodi vrikk hote hain, jo udar guha ke prishthabhag men dayaphram men niche v kasherukadand ke idhar–udhar (daen–baen) sthit hote hain. dahini or yakrit ki upasthiti ke karan dahina vrikk baen vrikk se kuchh age sthit hota hai. donon vrikk ek patali peritoniyam jhilli dvara udaraguha ki prishth divar se lage hue hote hain aur vasiy ootak ke andar bhi dhnse hote hain. inhen gurde bhi kahate hain.

bahy snrachana

manushy ke vrikk gahare lal rng ke tatha sem ke bij jaisi akriti ke hote hain. pratyek vrikk lagabhag 10-11 semi lamba, 5 semi chauda tatha 2.5-3 semi mota hota hai. pratyek vrikk ka bahari tal uttal tatha bhitari tal avatal hota hai. avatal satah ki or gaddhe jaisi snrachana hoti hai, jise vrikk nabhi ya hailas kahate hain. isi se hokar rinal dhamani tatha tantrika vrikk men pravesh karati hai aur rinal shira, lasika vahini tatha mootravahini isamen se bahar nikalati hain. vrikk ke charon or tantumay snyoji ootak ka bana patala vrikk samput ya rinal kaipsool hota hai. pratyek vrikk men oopari sire par ek adhivrikk ya edrinal granthi namak antahsravi granthi topi ke saman dhnki hoti hai.

antarik snrachana

manushy ka pratyek vrikk ya gurda ek dridh tantumay snyoji ootak ke bane vrikk samput se dhnka rahata hai. vrikk ke madhy men lagabhag khokhala tatha kipakar bhag hota hai, jo snkara hokar mootr nalika ka nirman karata hai. is bhag ko shirshaguha, shroni ya pelvis kahate hain. vrikk ka shesh bhag bahari valkut tatha bhitari medyoola men vibhedit rahata hai.

valkut

isamen vrikk nalikaon ya nephrons ke mailapidhi kosh tatha snvalit nalikaon ke samipasth tatha doosara bhag sthit hote hain.

medyoola

yah vrikk ka bhitari halke rng ka bhag hota hai. isamen medyoolari piramid pae jate hain. vrikk men aise 10-12 piramid dikhaee dete hain, jo ki apane shirsh bhag se shirsh guha men khulate hain.

nalika ki sarnchana

vrikk men asnkhy sookshm nalikaen hoti hain, jo atyant kundalit tatha lambi hoti hain. ye vrikk ki snrachanatmak tatha kriyatmak ikaee hoti hain. pratyek vrikk nalika men nimnalikhit bhag hote hain:-

mailapighiyan kosh

  • ek pyale ke akar ka bomain samput
  • keshikaguchchh ya glomerulas- yah bomain samput ki guha men sthit rikt keshikaon ka jal hota hai.

stravi nalika

  • samipasth kundalit bhag
  • madhy henale loop
  • doorasth kundalit bhag

samachar

shanivar,04 disambar, 2010

shuvo ray
Shuvo Roy

bharatiy mool ke shuvo ray ne kritrim vrikk banaya
bharatiy mool ke vaigyanik aur unaki tim ne kritrim vrikk banane ka dava kiya hai. kailiphorniya yoonivarsiti ke bharatiy vaigyanik shuvo ray aur unake sathiyon ne is vrikk ko taiyar kiya hai. unaka kahana hai ki yah kritrim vrikk n keval rudhir se zaharile padarth ko utsarjit karata hai balki vastavik vrikk ki koshikaon ka istemal karake doosare mahattvapoorn kary bhi karata hai. yah vrikk rudhir ke dabab par niyntran rakhata hai aur vitamin di banata hai. shuvo ray aur unaki tim choohon v any praniyon par kritrim vrikk ka parikshan kar chuki hai. ab vah manushy par isaka parikshan karana chahati hai...

samachar ko vibhinn sroton par padhen


panne ki pragati avastha
adhar
prarambhik
madhyamik
poornata
shodh

snbndhit lekh

varnamala kramanusar lekh khoj

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