• WordNet 3.6
    • n stroma the supporting tissue of an organ (as opposed to parenchyma)
    • n stroma the dense colorless framework of a chloroplast
    • n stroma a mass of fungal tissue that has spore-bearing structures embedded in it or on it
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Webster's Revised Unabridged Dictionary
    • Stroma (Bot) A layer or mass of cellular tissue, especially that part of the thallus of certain fungi which incloses the perithecia.
    • Stroma (Anat) The connective tissue or supporting framework of an organ; as, the stroma of the kidney.
    • Stroma (Anat) The spongy, colorless framework of a red blood corpuscle or other cell.
    • ***
Century Dictionary and Cyclopedia
    • n stroma In anatomy: The sustentacular tissue or substance of a part or organ, usually of connective tissue.
    • n stroma In botany: In fungi, a variously shaped more or less continuous layer of cellular tissue, in which perithecia or other organs of fructification are immersed. Sometimes called receptacle. See cut under ergot.
    • n stroma In vegetable physiology, the solid matter remaining after all the fluid has been expressed from protoplasm.
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Chambers's Twentieth Century Dictionary
    • n Stroma strō′ma the subtentacular tissue or substance of an organ or cell: in fungi, the substance in which the perithecia are immersed: the solid mass left after all liquid is expressed from protoplasm
    • ***


Webster's Revised Unabridged Dictionary
L., a bed covering, Gr. a couch or bed
Chambers's Twentieth Century Dictionary
Gr. strōma, a covering.


In literature:

This might be made a genus, corresponding to Hypoxylon as to stroma, but having the stroma hollow and filled with a pulverulent mass.
"Synopsis of Some Genera of the Large Pyrenomycetes" by C. G. Lloyd
As the disease progresses, the stroma of the iris atrophies and contracts.
"Glaucoma" by Various
A rapid current formed by the tide of the Pentland Firth against the Isle of Stroma.
"The Sailor's Word-Book" by William Henry Smyth
Enclosing the gland substance is the capsule proper, which sends in processes to form its fibrous stroma.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
Stroma definite, perithecia free, clustered or scattered Nectria.
"The Mushroom, Edible and Otherwise" by M. E. Hard
The degenerations of the epithelioid cells and stroma suggest qualifying terms.
"A System of Practical Medicine by American Authors, Vol. I" by Various
The relation of the germinal epithelium to the stroma.
"The Works of Francis Maitland Balfour, Volume 1" by Francis Maitland Balfour

In news:

However, the authors found that in tumors, POSTN was produced by ?SMA+VIM+ fibroblasts and was also induced in lung stroma by infiltrating cancer cells POSTN wasn't, however, found in the lung tissue of tumor-bearing mice without metastases.
Megan Park Lucy Hale Freddie Stroma Cinderalla Story Once Upon a Song.
After his breakout role in "Harry Potter and the Half-Blood Prince," I became all sorts of obsessed with Freddie Stroma .
Freddie Stroma , just cuz.
Iris color can lighten if the number of pigment granules in the stroma decreases or if the granules produce lighter pigment.
) The iris can also lose color if the stroma pigment degrades.
Dr Gregg Homer at Stroma Medical in California has come up with a laser procedure that removes the brown pigment, known as melanin, in the iris.