Ƙarƙashin diaphyseal, inda fashewa ya faru, wani yanki ne na samar da jini mara kyau.
Tabbas, wani nau'i mai rikitarwa na jumla shi ne "Ƙashin diaphyseal (zone II), inda fashewa ya faru, wani yanki ne na yiwuwar, matalauta, samar da jini, wanda ke cikin yankin ruwa tsakanin ruwa biyu na jini. "