in addition to immature cells and normal mature cells , two additional cell types are described in various primary testicular disorders : abnormally differentiated leydig cells with features such as grouped mitochondria , whorls of endoplasmic reticulum , absent or fragmented reinke 's crystals and paracrystalline arrays and deficiency of lipid droplets as well as masses of microfilaments ;
C0007634
normal
C0026237
mitochondria