two other interesting observations were made , i ) the anti-atrial myosin serum reacted with non-myocardial cells in the cardiac jelly , ii ) both antisera reacted with a thin myocardial layer , extending from the ventral wall of the atrial part via the medio-dorsal wall of the atrio-ventricular canal to the dorsal wall of the ventricular part .
C0225828
myocardial cells
C0027061
myocardial