Ma’anar ƙamus na kalmar “matsin jijiya” na nufin matsi da jini ke yi a bangon jijiyoyi, wanda ke ɗauke da jini mai iskar oxygen daga zuciya zuwa sauran jiki. Yawanci ana auna matsi na jijiya ta hanyar amfani da igiyar hawan jini kuma ana bayyana shi azaman lambobi biyu: matsa lamba systolic (mafi girma lamba) da matsa lamba diastolic (ƙananan lamba). Nau'in ma'aunin bugun jini shine millimeters na mercury (mmHg). Kula da lafiyar bugun jini yana da mahimmanci don kwararar jini daidai da lafiyar zuciya gaba ɗaya.