E Acinar portion showing acinar boundary, spermatocytes, spermatid and Sertoli cell. ad 정낭 경계 n 핵 S 세르톨리 세포 sc 정자 세포 sd 정자질. Click here to view... Sertoli cells The acinar space of the ovotestis was occupied by elongated, columnar Sertoli cells.