[ 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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for sarcosome


[ särkə-sōm′ ]


A large specialized mitochondrion found in striated muscle.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.