sarcoplasmic reticulum

[ sahr-kuh-plaz-mik ]
/ ˌsɑr kəˈplæz mɪk /

noun Cell Biology.

a system of membrane-bound tubules that surrounds muscle fibrils, releasing calcium ions during contraction and absorbing them during relaxation.

Origin of sarcoplasmic reticulum

First recorded in 1950–55; sarco- + plasm(a) + -ic

Words nearby sarcoplasmic reticulum

Medical definitions for sarcoplasmic reticulum

sarcoplasmic reticulum

n.

The endoplasmic reticulum found in striated muscle fibers.