based on own observations concerning a two-compartment storage of ca in the adrenal medulla and a cation exchange dependent release of ca from perfused chromaffin granules in vitro , and encouraged by recent reports from other laboratories about the importance of sodium ions for the ca release from the adrenal gland , we propose a modification of the current quantal theory of ca secretion .
C0001629
adrenal medulla
C0001625
adrenal gland