Jijiya na cranial na huɗu, wanda kuma aka sani da jijiyar trochlear, jijiya ce ta motsa jiki da ke da alhakin motsin tsokar da ta fi dacewa a cikin ido. Shi ne mafi ƙanƙanta na jijiyoyi na cranial kuma ya samo asali a tsakiyar kwakwalwa. Rashin aiki na jijiyar cranial na huɗu na iya haifar da wahala wajen motsa ido, hangen nesa biyu, da sauran matsalolin gani.
