the noradrenaline-storing cells ( na cells ) filled with intensely dense and varying shaped granules , the adrenaline-strong cells ( a cells ) filled with relatively less dense granules and the summer cells ( stilling , 1898 ) containing very large , round or polygonal granules ( 0.2-1.3 mu in diameter ) .
C0028351
noradrenaline
C0014563
adrenaline