stroma

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Related to stromata: Stromatolites

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 ?
First, allozyme genotypes might represent clones, which differ in their ability to form stromata.
Incompletely developed stromata without ascospores have been observed on a population of Ammophila breviligulata along the New Jersey shore (White et al.
Primary stromata formation and seed transmission in Epichloe typhina: Developmental and regulatory aspects.