random photographs were taken and the following parameters compared : ( 1 ) cellular volume , ( 2 ) nuclear volume , ( 3 ) cytoplasmic to nuclear ratio , ( 4 ) volume density of endoplasmic reticulum , ( 5 ) volume density of golgi bodies , ( 6 ) volume density of mitochondria , ( 7 ) volume density of secretory granules , ( 8 ) volume density of lysosomes , ( 9 ) diameter of secretory granules , ( 10 ) surface to volume ratio of secretory granules , ( 11 ) surface to volume ratio of golgi bodies , ( 12 ) surface to volume ratio of nuclei , ( 13 ) surface to volume ratio of cells .
C0010834
cytoplasmic
C0886515
secretory