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noun, plural stromata
[stroh-muh-tuh] /ˈstroʊ mə tə/ (Show IPA)
Cell Biology. the supporting framework or matrix of a cell.
Anatomy. the supporting framework, usually of connective tissue, of an organ, as distinguished from the parenchyma.
Mycology. (in certain fungi) a compact, somatic mass of fungous tissue, in or on which the fructifications may be developed.
Botany. the matrix of a chloroplast, containing various molecules and ions.
noun (biology) (pl) -mata (-mətə)
the gel-like matrix of chloroplasts and certain cells
the fibrous connective tissue forming the matrix of the mammalian ovary and testis
a dense mass of hyphae that is produced by certain fungi and gives rise to spore-producing bodies

stroma stro·ma (strō’mə)
n. pl. stro·ma·ta (-mə-tə)

The connective tissue framework of an organ, a gland, or other structure, as distinguished from the tissues performing the special function of the organ or part.

The spongy and colorless framework of a cell.

stro’mal adj.
stro·mat’ic (-māt’ĭk) adj.


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