stroma


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stroma

 [stro´mah] (Gr.)
the tissue forming the ground substance, framework, or matrix of an organ, as opposed to the functioning part or parenchyma. adj., adj stro´mal, stromat´ic.

stro·ma

, pl.

stro·ma·ta

(strō'mă, strō'mă-tă), Do not confuse this word with stoma or struma.
1. The framework, usually of connective tissue, of an organ, gland, or other structure, as distinguished from the parenchyma or specific substance of the part.
2. Aqueous phase of chloroplasts, that is, chloroplast matrix.
3. Archaic term for mitochondrial matrix.
4. IN fungi, a mass of interwoven hyphae; it is here that fruiting bodies develop.
[G. strōma, bed]

stroma

/stro·ma/ (stro´mah) pl. stro´mata   [Gr.] the matrix or supporting tissue of an organ.stro´malstromat´ic

stroma

(strō′mə)
n. pl. stro·mata (-mə-tə)
1. The connective tissue framework of an organ, gland, or other structure, as distinguished from the tissues performing the special function of the organ or part.
2. The spongy, colorless framework of a red blood cell or other cell.
3. The colorless semiliquid material inside a chloroplast, in which the thylakoid membranes are embedded and where the dark reactions of photosynthesis occur.
4. A dense mass of fungal hyphae on or in which reproductive structures develop.

stro′mal adj.
stro·mat′ic (-măt′ĭk) adj.

stroma

[strō′mə] pl. stromas, stromata
Etymology: Gk, covering
the supporting tissue or the matrix of an organ, as distinguished from its parenchyma. Some kinds of stromata are the vitreous stroma, which encloses the vitreous humor of the eye, and Rollet's stroma, which contains the hemoglobin of a red blood cell. stromatic, adj.

stro·ma

, pl. stromata (strō'mă, -tă)
1. The framework, usually of connective tissue, of an organ, gland, or other structure, as distinguished from the parenchyma or functional parts of an organ.
2. Aqueous phase of chloroplasts, i.e., chloroplast matrix.
[G. strōma, bed]

stroma

The tissue forming the framework of an organ. Compare PARENCHYMA.

stroma

see CHLOROPLAST.

Stroma

A term used to describe the supportive tissue surrounding a particular structure. An example is that tissue which surrounds and supports the actually functional lung tissue.
Mentioned in: Pneumonia

stroma

fibrous, connective tissue framework

stro·ma

, pl. stromata (strō'mă, -tă)
Framework, usually of connective tissue, of an organ, gland, or other structure.
[G. strōma, bed]

stroma

pl. stromata [Gr.] the tissue forming the ground substance, framework, or matrix of an organ, as opposed to the functioning part or parenchyma, e.g. stroma iridis, stroma vitreum.
References in periodicals archive ?
Corneal oedema is initially manifest in the posterior stroma adjacent to Descemet's membrane and just behind Bowman's membrane, causing a fine grey haze best seen with sclerotic scatter (see Figure 2).
They are separated by thin, hypocellular fibrous septa that lack ovariantype stroma or desmoplasia, as seen in MEST and CDC, respectively, or the myxoid, edematous stroma seen in oncocytoma with predominant tubulocystic pattern.
Cystic nephroma has a female predominance and can be multiloculated; however, it is lined by a single layer of flattened epithelium with indistinct nucleoli and has ovarian-like stroma within the septae.
For different locations but the same phase of the cycle, the expression of VEGF showed no statistically significant difference among the different compartments although the immunoreactivity was overall stronger in the luminal and glandular epithelium than that in the stroma (Figures 1AE, Table 2).
Leukemic cell signaling was measured by culturing FLT3-ITD cells on stroma in the presence of pacritinib for up to 24 hours.
The new layer that has been discovered is located at the back of the cornea between the corneal stroma and Descemet's membrane.
Monoclonal antibodies have been raised against these stroma biomarkers.
2) Microscopically, multinucleated giant cells were found dispersed regularly among the mononuclear spindle cells stroma, without any areas of aggregation.
MCNs may develop from endodermal immature stroma or primary yolk sac cells implanted during embryogenesis.
It consisted of epithelial structures mixed with spindled stroma (Figure 3).
But administrator Shane Biddlecombe of Southamptonbased HJS Recovery revealed today that Castleford-based Stroma Certifications Ltd had stepped into the breach and been awarded the exclusive contract to deliver training and assessment to Property Professionals.
It consists of producing a corneal flap, ablating the underlying corneal stroma using laser energy, and repositioning the flap without suturing it to the underlying stroma.