these cardiac hormones are synthesized and processed in the myoendocrine cells as follows : a preprohormone is found in the rough endoplasmic reticulum , the prohormone cardiodilatin/gamma-atrial natriuretic polypeptide ( cdd/anp ) is processed in the golgi apparatus and stored in the secretory granules .
C0018787
cardiac
C0018792
atrial