noun, plural stromata [stroh-muh-tuh] .
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.

1825–35; < Late Latin strōma mattress < Greek strôma bed-covering; akin to Latin sternere to spread, strew, strātum (see stratum)

stromatic [stroh-mat-ik] , stromal, stromatous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
stroma (ˈstrəʊmə)
n , pl -mata
1.  the gel-like matrix of chloroplasts and certain cells
2.  the fibrous connective tissue forming the matrix of the mammalian ovary and testis
3.  a dense mass of hyphae that is produced by certain fungi and gives rise to spore-producing bodies
[C19: via New Latin from Late Latin: a mattress, from Greek; related to Latin sternere to strew]

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American Heritage
Medical Dictionary

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

  1. 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.

  2. The spongy and colorless framework of a cell.

stro'mal adj.
stro·mat'ic (-māt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
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