VAZOPRESSIN

VAZOPRESSIN (az lot. vas – rag va pressus – fishor), gormoni peptidi, ki dar hujayrahoi gipotalamus hosil megardad. V. tavassuti nakhhoi bandchai gipotalamusu gipofizi ba hujayrahoi hissai qafoi gipofiz doda meshavad. V. obro dar organizm nigoh doshta, ba raghoi khun tasiri angezishovar merasonad.
V. vobasta ba talaboti organzim ba majroi khun guzashta, baroi dar saviyai zarurii fiziologi nigoh doshtani mubodilai obu namak kumak merasonad. Bisyor rost istodan, behad garm budani havo, shuru gavgo, dard, ziqqi, kori vaznini jismoni, talafi obu khun dar organizm ba majroi khun vorid shudani V.-ro ziyod mekunad. Daroz kashidan, khunuk budani havo, bisyor oshomidani ob va istemoli mashruboti spirtdor jarayoni hosil shudanu ba khun guzashtani V.-ro furu menishonad.
Dar mavridi ikhtiloli sintezi V. diabeti beqand rukh menamoyad. Hangomi dar organizm ziyod hosil shudani V. antidiabeti gayriqandi yo sindromi Parkhon ba vuqu mepayvandad. Dar khuni odamoni solim faqat izi V. (dar 1 ml khun taqr. 4 mikrovohid), dar miqdori shaboruzii peshob boshad, 40 – 60 mikrovohidi gormoni mazkur mavjud ast.