stroma
/stroh-muh/US // ˈstroʊ mə //UK // (ˈstrəʊmə) //
基质,基质体,基质层,基层
Definitions
n.名词 noun
- 1
plural stro·ma·ta [stroh-muh-tuh]. /ˈstroʊ mə tə/.
- : 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. 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.
Examples
While the light reaction takes place in the thylakoid membranes, the ATP and NADPH it produces end up in the stroma.
The stroma ingrowths form the most important feature of the stage.
The greater part of the germinal epithelium forms anastomosing columns, separated by very thin tracts of stroma.
These features render the investigation of the exact relation of the stroma and epithelium a matter of some difficulty.
It was still sharply separated from the subjacent stroma, though a membrane could only be demonstrated in certain parts.
In the full-grown female the stroma of the ovarian region is denser and has a more fibrous aspect than in the younger animal.
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