in order to evaluate the importance of the contraction of the perineal muscular system in causing the symptomatology following a hemorrhoidal prolapse operation , a drug , dantrolene sodium which has a known myorelaxant action due to a partial inhibition of the release of calcium ions from the sarcoplasmic reticulum in the muscular cell was used .
C0036226
sarcoplasmic
C0007634
cell