The attachment of SA node cardiomyocyte to an atrial cardiomyocyte via adhesion molecules that results in the cells being juxtaposed so that they can communicate.
Synonyms:
exact_synonym:
SA cardiac muscle cell-atrial cardiac muscle cell adhesion involved in cell communication; SA cardiomyocyte-atrial cardiomyocyte adhesion involved in cell communication; SAN cardiomyocyte-atrial cardiomyocyte adhesion involved in cell communication; sinoatrial node cardiomyocyte-atrial cardiomyocyte adhesion involved in cell communication
narrow_synonym:
sinus node cardiomyocyte-atrial cardiomyocyte adhesion involved in cell communication