
peritubular keshikaaen

gurde kii pranali mein, peritubular keshikaaen chhoti rakt vaahikaaen hoti hain, joe pravaahit dhamani dwara aapoorti kii jaati hain, joe nephron key saath yatra karati hain jisase rakt aur nephron key aantarik lumen key beach punah avashoshan aur sraav hotaa haye. peritubular keshikaaen sameepasth aur doorasth nalikaon key cortical bhaagon koo gherati hain, jabaki vaasaa rect hennell key loop taka pahunchane key liye medula mein jaati haye.
rakt plasma kaa lagbhag paanchvaan hissa dhanush key capsule mein filter kiya jaataa haye kyonki rakt glomerular keshikaon seey gujarta haye; chaar-paanchvaan bhaag peritubular keshikaon mein jaari rahata haye.
ayanon aur khanijon koo jinhen shareer mein sahejane kii aavashyakta hoti haye, sakriya parivahan, maadhyamik sakriya parivahan, yaa transcitosis key madhyam seey peritubular keshikaon mein phir seey avashoshit kiya jaataa haye.
jinn ayanon koo apashisht key roop mein utsarjit karane kii aavashyakta hoti haye, unhein keshikaon seey nephron mein sraavit kiya jaataa haye taaki unhein mootrashay kii or aur shareer seey baahar bheja jaa sakey. 
anivarya roop seey, peritubular keshikaaen glucose aur emino acid jaise upayogi padarthon koo phir seey avashoshit karati hain aur kuchh khanij ayanon aur atirikt paani koo nalika mein sraavit karati hain. 
peritubular keshikaon key madhyam seey adhikansh vinimay rasayanik pravanata parasaran aur jalsthaitik dabaav key kaaran hotaa haye. peritubular keshikaon mein paani kii gati nispandan key dauran glomerulus seey paani key nuksan key kaaran hoti haye, jisase rakt kaa colloid ausmotic dabaav badh jaataa haye. yeh rakt bahati dhamani key madhyam seey glomerulus chhodata haye, joe peritubular keshikaon kii aapoorti kartaa haye. peritubular keshikaon mein rakt kii uchch ausmolarity ack ausmotic dabaav paida karati haye joe paani key grahan kaa kaaran banati haye. anya ayanon koo vilaayak khinchaav key madhyam seey peritubular keshikaon dwara liya jaa sakata haye. sakriya parivahan key madhyam seey drav aur electrolytes key punah avashoshan dwara sanchaalit, aur pravaahit dhamani kii sankirnata key kaaran peritubular keshikaon mein pravesh karane vaale rakt key cumm drav dabaav key kaaran paani koo antahsthaliya key uchch drav dabaav key kaaran peritubular keshikaon mein bhee chalaaya jaataa haye.

