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stroma

stroma

stroma Sentence Examples

  • Deep to these is the ovarian stroma, composed of fibrous tissue, and embedded in it are numerous nests of epithelial cells, the Graafian follicles, in various stages of development.

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  • The fundamental substance or stroma is colorless and homogeneous.

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  • The fundamental substance or stroma is colorless and homogeneous.

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  • Other series of modifications arise in which the tissues corresponding to the stroma invest the sporogenous hyphal ends, and thus enclose the spores, asci, basidia, &c., in a cavity.

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  • Another simple case is where the plane or slightly convex surface of the stroma rises at its margins and overgrows the sporogenous hyphal ends, so that the spores, asci, &c., come to lie in the depression of a cavity - e.g.

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  • Here we have the cushion-like type (stroma) of Nectria and many Pyrenomycetes, the clavate "receptacle" of Clavaria, &c., passing into the complex forms met with in Sparassis, Xylaria, Polyporei, and Agaricini, &c. In these cases the compound sporophore is often termed the hymenophore, and its various parts demand special names (pileus, stipes, gills, po--es, &c.) to denote peculiarities of distribution of the hymenium owlthe surface.

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  • In other cases (Hypomyces, Nectria) the perithecia arise on an already mature stroma, while yet more numerous examples can be given (Poronia, Hypoxylon, Claviceps, &c.) where the perithecia originate below the surface of a stroma formed long before.

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  • The simpler forms bear the perithecia directly on the mycelium, but the more highly developed forms often bear them on a special mycelial development - the stroma, which is often of large size and special shape and colour, and of dense consistence.

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  • In such examples as the above we may regard the hymenium (Solenia, Cyphella), zygospores, or asci as truly invested by later growth, but in the vast majority of cases the processes which result in the enclosure of the spores, asci, &c., in a "fructification" are much more involved, inasmuch as the latter is developed in the interior of hyphal tissues, which are by no means obviously homologous with a stroma.

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  • Whether a true sexual process precedes these processes or not does not affect the present question, the point being that the resulting spheroidal "fructification" (cleistocarp, perithecium) has a definite wall of its own not directly comparable with a stroma.

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  • (Orlando Bandinelli), pope from 1159 to 1181, was a Siennese, and as a teacher of canon law in Bologna composed the Stroma or the Summa Magistri Rolandi, one of the earliest commentaries on the Decretum Gratiani.

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  • Originally the calcareous substance of the plates (stereom) was pierced by irregular canals, more or less vertical, and containing strands of the soft tissue (stroma) that deposited the stereom, as well as spaces filled with fluid.

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  • The stereom and stroma become arranged in folds and strands at right angles to the sutures of the thecal plates; in higher forms the stereom-folds are in part specialized as pectini-rhombs.

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  • stroma of the chloroplasts and involve the fixation of carbon dioxide and the synthesis of glucose.

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  • stroma of the cornea and consists of an infiltration of lipid (fat ).

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  • stroma of the lymphoid tissue.

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  • The fibrous theca externa merges with the surrounding stroma.

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  • This was interpreted as evidence of local disorder in the array of collagen fibrils that comprise the corneal stroma.

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  • The most important histological element is the connective tissue stroma.

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  • CONCLUSIONS: Hepatocellular carcinoma with lymphoid stroma should be considered as a distinct clinicopathological and prognostic entity.

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  • It is located in the anterior stroma of the cornea and consists of an infiltration of lipid (fat ).

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  • All malignant salivary gland tumors expressed similar intense HA in tumor stroma.

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  • This pro-inflammatory cytokine is especially important in tumor stroma interactions.

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  • The 4.1 kDa N-terminal transit peptide appears to target the nuclear encoded gene product through the chloroplast envelope into the chloroplast stroma.

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  • The coloring matters are not dissolved in the stroma of the chrornoplast, but exist as amorphous granules, with or without the presence of a protein crystal, or in the form of fine crystalline needles, frequently curved and sometimes present in large numbers, which are grouped together in various ways in bundles and give the plastids their fusiform or triangular crystalline shape.

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  • Deep to these is the ovarian stroma, composed of fibrous tissue, and embedded in it are numerous nests of epithelial cells, the Graafian follicles, in various stages of development.

    0
    0
  • Here we have the cushion-like type (stroma) of Nectria and many Pyrenomycetes, the clavate "receptacle" of Clavaria, &c., passing into the complex forms met with in Sparassis, Xylaria, Polyporei, and Agaricini, &c. In these cases the compound sporophore is often termed the hymenophore, and its various parts demand special names (pileus, stipes, gills, po--es, &c.) to denote peculiarities of distribution of the hymenium owlthe surface.

    0
    0
  • Other series of modifications arise in which the tissues corresponding to the stroma invest the sporogenous hyphal ends, and thus enclose the spores, asci, basidia, &c., in a cavity.

    0
    0
  • In the simplest case the stroma, after bearing its crop of conidia or oidia, develops ascogenous branches in the loosened meshes of its interior (e.g.

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  • Another simple case is where the plane or slightly convex surface of the stroma rises at its margins and overgrows the sporogenous hyphal ends, so that the spores, asci, &c., come to lie in the depression of a cavity - e.g.

    0
    0
  • In such examples as the above we may regard the hymenium (Solenia, Cyphella), zygospores, or asci as truly invested by later growth, but in the vast majority of cases the processes which result in the enclosure of the spores, asci, &c., in a "fructification" are much more involved, inasmuch as the latter is developed in the interior of hyphal tissues, which are by no means obviously homologous with a stroma.

    0
    0
  • Whether a true sexual process precedes these processes or not does not affect the present question, the point being that the resulting spheroidal "fructification" (cleistocarp, perithecium) has a definite wall of its own not directly comparable with a stroma.

    0
    0
  • In other cases (Hypomyces, Nectria) the perithecia arise on an already mature stroma, while yet more numerous examples can be given (Poronia, Hypoxylon, Claviceps, &c.) where the perithecia originate below the surface of a stroma formed long before.

    0
    0
  • The simpler forms bear the perithecia directly on the mycelium, but the more highly developed forms often bear them on a special mycelial development - the stroma, which is often of large size and special shape and colour, and of dense consistence.

    0
    0
  • (Orlando Bandinelli), pope from 1159 to 1181, was a Siennese, and as a teacher of canon law in Bologna composed the Stroma or the Summa Magistri Rolandi, one of the earliest commentaries on the Decretum Gratiani.

    0
    0
  • Originally the calcareous substance of the plates (stereom) was pierced by irregular canals, more or less vertical, and containing strands of the soft tissue (stroma) that deposited the stereom, as well as spaces filled with fluid.

    0
    0
  • Regarding the Echinoderms as a whole in the light of the foregoing account, we may give the following analytic summary of the characters that distinguish them from other coelomate animals: They live in salt or brackish water; a primitive bilateral symmetry is still manifest in the right and left divisions of the coelom; the middle coelomic cavities are primitively transformed into two hydrocoels communicating with the exterior indirectly through a duct or ducts of the anterior coelom; stereom, composed of crystalline carbonate of lime, is, with few exceptions, deposited by special amoebocytes in the meshes of a mesodermal stroma, chiefly in the integument; reproductive cells are derived from the endothelium, apparently of the anterior coelom; total segmentation of the ovum produces a coeloblastula and gastrula by invagination; mesenchyme is formed in the segmentation cavity by migration of cells, chiefly from the hypoblast.

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  • The stereom and stroma become arranged in folds and strands at right angles to the sutures of the thecal plates; in higher forms the stereom-folds are in part specialized as pectini-rhombs.

    0
    0
  • This stage takes place in the stroma of the chloroplasts and involve the fixation of carbon dioxide and the synthesis of glucose.

    0
    0
  • It is located in the anterior stroma of the cornea and consists of an infiltration of lipid (fat).

    0
    0
  • Fibronectin, laminin, collagen type IV and tenascin were found in stroma of the lymphoid tissue.

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  • The fibrous theca externa merges with the surrounding stroma.

    0
    0
  • This was interpreted as evidence of local disorder in the array of collagen fibrils that comprise the corneal stroma.

    0
    0
  • The most important histological element is the connective tissue stroma.

    0
    0
  • CONCLUSIONS: Hepatocellular carcinoma with lymphoid stroma should be considered as a distinct clinicopathological and prognostic entity.

    0
    0
  • All malignant salivary gland tumors expressed similar intense HA in tumor stroma.

    0
    0
  • This pro-inflammatory cytokine is especially important in tumor stroma interactions.

    0
    0
  • The 4.1 kDa N-terminal transit peptide appears to target the nuclear encoded gene product through the chloroplast envelope into the chloroplast stroma.

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  • LH acts on stroma and theca interna cells of the ovaries to stimulate testosterone secretion.

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  • Lung stroma, the tissue of the lung, serves a supportive role for the bronchi, bronchioles, and alveoli.

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  • These types of pneumonia primarily infect the walls of the alveoli and the stroma of the lung.

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  • Endometrial stroma and glands are tissues found only in the uterus.

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  • Regarding the Echinoderms as a whole in the light of the foregoing account, we may give the following analytic summary of the characters that distinguish them from other coelomate animals: They live in salt or brackish water; a primitive bilateral symmetry is still manifest in the right and left divisions of the coelom; the middle coelomic cavities are primitively transformed into two hydrocoels communicating with the exterior indirectly through a duct or ducts of the anterior coelom; stereom, composed of crystalline carbonate of lime, is, with few exceptions, deposited by special amoebocytes in the meshes of a mesodermal stroma, chiefly in the integument; reproductive cells are derived from the endothelium, apparently of the anterior coelom; total segmentation of the ovum produces a coeloblastula and gastrula by invagination; mesenchyme is formed in the segmentation cavity by migration of cells, chiefly from the hypoblast.

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