Pronunciation: (strō'mu),[key] —n., —pl.-ma•taPronunciation: (-mu-tu).[key] 1. Cell Biol.the supporting framework or matrix of a cell.
2. Anat.the supporting framework, usually of connective tissue, of an organ, as distinguished from the parenchyma.
3. Mycol.(in certain fungi) a compact, somatic mass of fungous tissue, in or on which the fructifications may be developed.
4. Bot.the matrix of a chloroplast, containing various molecules and ions.