the area occupied by sertoli cell lipid inclusions -- electron-lucent lipid vacuoles ( llv ) and electron-dense lipid droplets ( dld ) -- at each stage of the cycle of the seminiferous epithelium was measured on electron micrographs in young adults and elderly men , and expressed as the ratio `` '' area occupied by lipid inclusions/area occupied by the sertoli cell cytoplasm '' '' .
C0230704
lipi
C0010834
cytoplas