TARAShShUH

TARAShShUH, sekresiya, hosil va judo shudani usora (sekret)-ro dar hujayrai gadudho guyand, ki baroi hayoti organizm zarur ast. Tarashshuh beruni yo ekzokrini (usora avval ba majroi gadud dokhil shuda, soni ba sathi badan yo uzvhoi kovok ikhroj megardad) va daruni yo endokrini (usora ba khunu limfa meguzarad) meshavad. Usorai har yak gadud az ob va moddahoi dar on halshuda (kristalloidhoi organikiyu noorganiki va moddahoi kolloidi) iborat ast.

Gadudho baroi hosil kardani usora ob va modahoi khimiyaviro az khun megirand. Ba tarkibi usora gormonho, fermentho, kislotaho, ishqorho va moddahoi khimiyavi dokhiland. Tarashshuh inchunin muttasil (mekhanizmhoi tanzimii asabu humoralii makhsus nadorand) va nomuttasil (bo yorii mekhanizmhoi tanzimi asabu humorali ba amal meoyad) meshavad. Masalan, ba gadudhoi muttasil usorabaroranda gadudhoe, ki luobi meda judo mekunand va ba gadudhoi nomuttasil usorabaroranda hujayrahoi asosi va ruybastii gadudhoi meda va zeri meda mansuband. Tarashshuhi gadudhoi obi dahan asosan ba vositai mekhanizmhoi asab tanzim meshand.