__Sháýetbaý__ – syrtqy jynys múshesin uryq jasýshalarymen qamtamasyz etetin jáne ár atalyq bezben bekinip, belgili qalypta ustap turýshy múshe. Sháýetbaýda qan tamyrlar (vena, arterııa), júıke jasýshalary (nervter), lımfatıkalyq túıinder jáne uryq jasýshasy (spermatozoıd) tasymaldanatyn tútikshe bolady.