sarcosome

[ sahr-kuh-sohm ]
/ ˈsɑr kəˌsoʊm /

noun Cell Biology.

a mitochondrion occurring in a muscle fiber.

Origin of sarcosome

First recorded in 1895–1900; sarco- + -some3

Medical definitions for sarcosome

sarcosome
[ särkə-sōm′ ]

n.

A large specialized mitochondrion found in striated muscle.