Endoplasmic Reticulum, Smooth
Synonyms
Agranular Endoplasmic Reticulum
Endoplasmic Reticulum, Agranular
Smooth Endoplasmic Reticulum
A type of endoplasmic reticulum lacking associated ribosomes on the membrane surface. It exhibits a wide range of specialized metabolic functions including supplying enzymes for steroid synthesis, detoxification, and glycogen breakdown. In muscle cells, smooth endoplasmic reticulum is called SARCOPLASMIC RETICULUM.