sarcoplasmic

adjective
sar·​co·​plas·​mic | \ ˌsär-kə-ˈplaz-mik How to pronounce sarcoplasmic (audio) \
variants: also sarcoplasmatic \ -​ˌplaz-​ˈmat-​ik How to pronounce sarcoplasmatic (audio) \

Medical Definition of sarcoplasmic

: of or relating to the sarcoplasm sarcoplasmic proteins