<cell biology> Membrane bounded region of cytoplasm that is subsequently digested. ... Origin: Gr. Soma = body ... (18 Nov 1997) ... 
(si″to-li´so-sōm) a lysosome fused with mitochondria and other cell organelles and associated with cell autolysis. Called also autophagosome.
Membrane-bounded region of cytoplasm that is subsequently digested.
Type: Term Pronunciation: sī′tō-lī′sō-sōm Definitions: 1. A variety of secondary lysosome that contains the remnants of mitochondria, ribosomes, or other organelles. Synonyms: autophagic vacuole