Stroma

Stroma may refer to:

== Biology == Stroma (tissue), the connective, functionally supportive framework of a biological cell, tissue, or organ (in contrast, the parenchyma is the functional aspect of a tissue) Stroma of ovary, a soft tissue, well supplied with blood, consisting of spindle-shaped cells with a small amount of connective tissue Stroma of iris, fibres and cells in the iris Stroma of cornea, plates of collagen fibrils in the cornea Lymph node stromal cell, cells which provide a scaffold for other lymph node cells Stroma of bone marrow Stroma (fungus), a tissue structure of some ascomycete mushrooms Stroma (fluid), the fluid between grana, where carbohydrate-forming reactions occur in the chloroplasts of photosynthetic plant cells Stromal cell, a connective tissue cell of any organ; supports the function of the parenchyma The nonmalignant cells which are present in the tumor microenvironment; see