Definition of stroma in English:

stroma

nounPlural stromata ˈstrəʊməˈstroʊmə

1Anatomy Biology
mass noun The supportive tissue of an epithelial organ, tumour, gonad, etc., consisting of connective tissues and blood vessels.
a loose stroma of connective tissue
mass noun the virus caused necrosis of epithelium and stroma
Example sentencesExamples
- The stroma consists of fatty tissue and ligaments surrounding the ducts and lobules, blood vessels and lymphatic vessels.
- Tumor cells were embedded in a loose collagenous stroma.
- The bland fibrous stroma is infiltrated by mature lymphocytes and plasma cells.
- Loose connective tissue stroma predominated in the less cellular areas.
- The deeper regions of the tumor showed hypocellularity and had an abundance of loose edematous stroma.
1. 1.1 The spongy framework of protein fibres in a red blood cell or platelet.
  Example sentencesExamples
  The endometrial stroma has a framework consisting of reticular fibers and stromal cells.
  Typical plaques showed proliferation of myofibroblastic cells with myxoid stroma.
  The surrounding stroma was infiltrated by plasma cells and scattered aggregates of lymphocytes, forming follicles with germinal centres.
  The results indicate that the stroma contains some rather fragile enzymes.
  There is no cellular or architectural atypia of the lobules or stroma.
2. 1.2Botany The matrix of a chloroplast, in which the grana are embedded.
  Example sentencesExamples
  There is characteristically a dense sparsely cellular fibrous stroma.
  The relative amount of stroma thylakoids is also increased, while the portion of grana thylakoids is lowered.
  Chloroplast envelopes, stacked grana and unstacked stroma thylakoids were well-defined.
  Thylakoids of grana stacks are mostly abundant in PSII complexes, while PSI complexes are predominant in stroma lamellae.
  Granules of different sizes were noted in the chloroplast stroma in all treatments.
2Botany
A mass of fungal tissue that has spore-bearing structures either embedded in it or on its surface.
the fruiting body is tightly compressed and sessile on a stroma
Example sentencesExamples
- During in vivo measurements, excitation light is incident upon the epithelium, and must travel through this tissue layer before reaching the stroma.
- A few times, dots are observed in the stroma of the amyloplasts.
- Transport proteins in the inner plastid envelope membrane connect the metabolism of plastid stroma and surrounding cytoplasm.
- Very few dots are localized in the stroma of the amyloplasts.
- This latter consisted of a few membranes irregularly distributed in the stroma or tightly pressed to form very electron-dense stacks.

Derivatives

stromal

adjective ˈstrəʊməlˈstroʊməl

Anatomy

Relating to or affecting the supporting tissue (stroma) of an organ.
stromal cells exhibit progressive changes
Example sentencesExamples
- The drug has also proved effective against rare gastrointestinal stromal tumours and small-cell lung cancers.
- A complete description of ovarian endometrial stromal sarcomas, adenosarcomas, and carcinosarcomas is presented.
- The prostate specimen showed glandular and stromal hyperplasia.

stromatic

adjective strəˈmatɪkˌstroʊˈmædɪk

Botany

Relating to or resembling the stroma, a mass of fungal tissue.
the stromatic texture
Example sentencesExamples
- The ncosomes in the sample are 1-10 cm thick, stromatic, and contain melanosomes at their margins.
- Exposure to two UV-B doses induced a notable increase in the grana-stromatic lamella ratio and luminal space dilation of the stromatic lamellas.

Origin

Mid 19th century: modern Latin, via late Latin from Greek strōma 'coverlet'.

Definition of stroma in US English:

stroma

nounˈstrōməˈstroʊmə

1Anatomy Biology
The supportive tissue of an epithelial organ, tumor, gonad, etc., consisting of connective tissues and blood vessels.
a loose stroma of connective tissue
mass noun the virus caused necrosis of epithelium and stroma
Example sentencesExamples
- Tumor cells were embedded in a loose collagenous stroma.
- The stroma consists of fatty tissue and ligaments surrounding the ducts and lobules, blood vessels and lymphatic vessels.
- The bland fibrous stroma is infiltrated by mature lymphocytes and plasma cells.
- Loose connective tissue stroma predominated in the less cellular areas.
- The deeper regions of the tumor showed hypocellularity and had an abundance of loose edematous stroma.
1. 1.1 The spongy framework of protein fibers in a red blood cell or platelet.
  Example sentencesExamples
  The surrounding stroma was infiltrated by plasma cells and scattered aggregates of lymphocytes, forming follicles with germinal centres.
  There is no cellular or architectural atypia of the lobules or stroma.
  Typical plaques showed proliferation of myofibroblastic cells with myxoid stroma.
  The endometrial stroma has a framework consisting of reticular fibers and stromal cells.
  The results indicate that the stroma contains some rather fragile enzymes.
2. 1.2Botany The matrix of a chloroplast, in which the grana are embedded.
  Example sentencesExamples
  There is characteristically a dense sparsely cellular fibrous stroma.
  Chloroplast envelopes, stacked grana and unstacked stroma thylakoids were well-defined.
  Granules of different sizes were noted in the chloroplast stroma in all treatments.
  The relative amount of stroma thylakoids is also increased, while the portion of grana thylakoids is lowered.
  Thylakoids of grana stacks are mostly abundant in PSII complexes, while PSI complexes are predominant in stroma lamellae.
2Botany
A mass of fungal tissue that has spore-bearing structures either embedded in it or on its surface.
the fruiting body is tightly compressed and sessile on a stroma
Example sentencesExamples
- A few times, dots are observed in the stroma of the amyloplasts.
- This latter consisted of a few membranes irregularly distributed in the stroma or tightly pressed to form very electron-dense stacks.
- Transport proteins in the inner plastid envelope membrane connect the metabolism of plastid stroma and surrounding cytoplasm.
- During in vivo measurements, excitation light is incident upon the epithelium, and must travel through this tissue layer before reaching the stroma.
- Very few dots are localized in the stroma of the amyloplasts.

Origin

Mid 19th century: modern Latin, via late Latin from Greek strōma ‘coverlet’.

单词	stroma
释义	Definition of stroma in English: stroma nounPlural stromata ˈstrəʊməˈstroʊmə 1Anatomy Biology mass noun The supportive tissue of an epithelial organ, tumour, gonad, etc., consisting of connective tissues and blood vessels. a loose stroma of connective tissue mass noun the virus caused necrosis of epithelium and stroma Example sentencesExamples The stroma consists of fatty tissue and ligaments surrounding the ducts and lobules, blood vessels and lymphatic vessels. Tumor cells were embedded in a loose collagenous stroma. The bland fibrous stroma is infiltrated by mature lymphocytes and plasma cells. Loose connective tissue stroma predominated in the less cellular areas. The deeper regions of the tumor showed hypocellularity and had an abundance of loose edematous stroma. 1.1 The spongy framework of protein fibres in a red blood cell or platelet. Example sentencesExamples The endometrial stroma has a framework consisting of reticular fibers and stromal cells. Typical plaques showed proliferation of myofibroblastic cells with myxoid stroma. The surrounding stroma was infiltrated by plasma cells and scattered aggregates of lymphocytes, forming follicles with germinal centres. The results indicate that the stroma contains some rather fragile enzymes. There is no cellular or architectural atypia of the lobules or stroma. 1.2Botany The matrix of a chloroplast, in which the grana are embedded. Example sentencesExamples There is characteristically a dense sparsely cellular fibrous stroma. The relative amount of stroma thylakoids is also increased, while the portion of grana thylakoids is lowered. Chloroplast envelopes, stacked grana and unstacked stroma thylakoids were well-defined. Thylakoids of grana stacks are mostly abundant in PSII complexes, while PSI complexes are predominant in stroma lamellae. Granules of different sizes were noted in the chloroplast stroma in all treatments. 2Botany A mass of fungal tissue that has spore-bearing structures either embedded in it or on its surface. the fruiting body is tightly compressed and sessile on a stroma Example sentencesExamples During in vivo measurements, excitation light is incident upon the epithelium, and must travel through this tissue layer before reaching the stroma. A few times, dots are observed in the stroma of the amyloplasts. Transport proteins in the inner plastid envelope membrane connect the metabolism of plastid stroma and surrounding cytoplasm. Very few dots are localized in the stroma of the amyloplasts. This latter consisted of a few membranes irregularly distributed in the stroma or tightly pressed to form very electron-dense stacks. Derivatives stromal adjective ˈstrəʊməlˈstroʊməl Anatomy Relating to or affecting the supporting tissue (stroma) of an organ. stromal cells exhibit progressive changes Example sentencesExamples The drug has also proved effective against rare gastrointestinal stromal tumours and small-cell lung cancers. A complete description of ovarian endometrial stromal sarcomas, adenosarcomas, and carcinosarcomas is presented. The prostate specimen showed glandular and stromal hyperplasia. stromatic adjective strəˈmatɪkˌstroʊˈmædɪk Botany Relating to or resembling the stroma, a mass of fungal tissue. the stromatic texture Example sentencesExamples The ncosomes in the sample are 1-10 cm thick, stromatic, and contain melanosomes at their margins. Exposure to two UV-B doses induced a notable increase in the grana-stromatic lamella ratio and luminal space dilation of the stromatic lamellas. Origin Mid 19th century: modern Latin, via late Latin from Greek strōma 'coverlet'. Definition of stroma in US English: stroma nounˈstrōməˈstroʊmə 1Anatomy Biology The supportive tissue of an epithelial organ, tumor, gonad, etc., consisting of connective tissues and blood vessels. a loose stroma of connective tissue mass noun the virus caused necrosis of epithelium and stroma Example sentencesExamples Tumor cells were embedded in a loose collagenous stroma. The stroma consists of fatty tissue and ligaments surrounding the ducts and lobules, blood vessels and lymphatic vessels. The bland fibrous stroma is infiltrated by mature lymphocytes and plasma cells. Loose connective tissue stroma predominated in the less cellular areas. The deeper regions of the tumor showed hypocellularity and had an abundance of loose edematous stroma. 1.1 The spongy framework of protein fibers in a red blood cell or platelet. Example sentencesExamples The surrounding stroma was infiltrated by plasma cells and scattered aggregates of lymphocytes, forming follicles with germinal centres. There is no cellular or architectural atypia of the lobules or stroma. Typical plaques showed proliferation of myofibroblastic cells with myxoid stroma. The endometrial stroma has a framework consisting of reticular fibers and stromal cells. The results indicate that the stroma contains some rather fragile enzymes. 1.2Botany The matrix of a chloroplast, in which the grana are embedded. Example sentencesExamples There is characteristically a dense sparsely cellular fibrous stroma. Chloroplast envelopes, stacked grana and unstacked stroma thylakoids were well-defined. Granules of different sizes were noted in the chloroplast stroma in all treatments. The relative amount of stroma thylakoids is also increased, while the portion of grana thylakoids is lowered. Thylakoids of grana stacks are mostly abundant in PSII complexes, while PSI complexes are predominant in stroma lamellae. 2Botany A mass of fungal tissue that has spore-bearing structures either embedded in it or on its surface. the fruiting body is tightly compressed and sessile on a stroma Example sentencesExamples A few times, dots are observed in the stroma of the amyloplasts. This latter consisted of a few membranes irregularly distributed in the stroma or tightly pressed to form very electron-dense stacks. Transport proteins in the inner plastid envelope membrane connect the metabolism of plastid stroma and surrounding cytoplasm. During in vivo measurements, excitation light is incident upon the epithelium, and must travel through this tissue layer before reaching the stroma. Very few dots are localized in the stroma of the amyloplasts. Origin Mid 19th century: modern Latin, via late Latin from Greek strōma ‘coverlet’.
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