Academic literature on the topic 'Tissu parenchymateux'

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Journal articles on the topic "Tissu parenchymateux"

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Э.А., Хыдыров, Исаев Н.Н. та Ганбаева Ш.Ф. "УЛЬТРАСТРУКТУРНЫЕ ОСОБЕННОСТИ ПАРЕНХИМАТОЗНЫХ КЛЕТОК ИЗМЕНЕННЫХ И НЕИЗМЕНЕННЫХ ТКАНЕЙ ПРИ ПРОЛИФЕРАТИВНОЙ МАСТОПАТИИ". Azerbaijan Medical Journal, № 3 (18 жовтня 2024): 135–39. http://dx.doi.org/10.34921/amj.2024.3.023.

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В статье представлены результаты исследования, проведенного с целью выявления ультраструктурных особенностей паренхиматозных клеток на различных участках (измененных и неизмененных) тканей при пролиферативной мастопатии. Исследованию были подвергнуты препараты молочных желез 35 женщин (36-60 лет), подвергавшихся оперативному вмешательству. Было использовано электронно-микроскопическое исследование. Исследование показало, что в клетках измененной ткани в верхнем слое эпителиального пласта обладают мелкими цитоплазматическими выростами, а в цитоплазме содержится небольшое количество специфически
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O’Hair, S. K. "Cassava Root Starch Content and Distribution Varies with Tissue Age." HortScience 24, no. 3 (1989): 505–6. http://dx.doi.org/10.21273/hortsci.24.3.505.

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Abstract Cassava (Manihot esculenta L. Crantz) plants of ‘CMC-40’ and ‘CMC-92’ were grown over a 3-year period with annual harvests at the end of each growing season. Root tissues were divided into peel (secondary phloem with the thin cork tissue layer removed) and up to three parenchymatous tissue age groups. Up to 40% of the starch concentration can be deposited in root parenchymatous tissue. Root starch is permanently removed from parenchymatous tissue of older roots, probably in association with new foliage growth at the start of a new growing season. As a result of periods of little or no
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Bernardino-Nicanor, Aurea, José Montañez-Soto, Eloy Conde-Barajas, et al. "Spectroscopic and Structural Analyses of Opuntia Robusta Mucilage and Its Potential as an Edible Coating." Coatings 8, no. 12 (2018): 466. http://dx.doi.org/10.3390/coatings8120466.

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Mucilage extracted from the parenchymatous and chlorenchymatous tissues of Opuntia robusta were obtained using water or ethanol as the extraction solvent. The changes in the different tissues by using different extraction solvents were evaluated via scanning electron microscopy (SEM) and Fourier transform infrared (FT-IR) and Raman spectroscopy; in addition, the effect of mucilage coating on the various quality characteristics of tomato (Lycopersicum sculentum) was evaluated. The SEM results showed that the mucilage extracted from the parenchyma had a higher aggregation level that the mucilage
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Brooks, Scott E., and Joseph D. Shorthouse. "Developmental morphology of stem galls of Diplolepis nodulosa (Hymenoptera: Cynipidae) and those modified by the inquiline Periclistus pirata (Hymenoptera: Cynipidae) on Rosa blanda (Rosaceae)." Canadian Journal of Botany 76, no. 3 (1998): 365–81. http://dx.doi.org/10.1139/b98-001.

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Diplolepis nodulosa (Beutenmüller) induces small, single-chambered, prosoplasmic galls in stems of Rosa blanda Ait. Gall initiation begins when adult females deposit a single egg into the procambium of R. blanda buds. Pith cells at the distal pole of the egg lyse forming a chamber into which the hatching larva enters. Cells lining the chamber differentiate into nutritive cells, which serve as the larval food. Gall growth is characterized by the proliferation of parenchymatous nutritive cells causing gall enlargement. A separate gall vasculature does not form, but instead, gall tissues are irri
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Zavyalova, M. V., A. V. Zavyalov, E. S. Pudova, et al. "Generalized lymphogenous metastasis involving parenchymal organs in gastric cancer (case report)." Siberian journal of oncology 24, no. 1 (2025): 189–98. https://doi.org/10.21294/1814-4861-2025-24-1-189-198.

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Generalized metastases to parenchymatous organs in gastric cancer are usually associated with hematogenous spread of cancer cells. Generalized lymphogenous metastasis involves the spread of cancer cells to distant lymph nodes and serous membranes. There is very little information on generalized metastases to parenchymatous organs due to tumor embolism of their lymphatic vessels. Objective: to present a fatal case with generalized lymphogenous metastases to parenchymatous organs. Case presentation. A 56-year-old female patient with gastric cancer presented to the hospital with generalized lymph
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Rothwell, Gar W., and Donald A. Eggert. "A monograph of Dolerotheca Halle, and related complex permineralised medullosan pollen organs." Transactions of the Royal Society of Edinburgh: Earth Sciences 77, no. 1 (1986): 47–79. http://dx.doi.org/10.1017/s0263593300099995.

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ABSTRACTNumerous permineralised, complex medullosan pollen organs are described from Middle and Upper Pennsylvanian sediments of North America. Together with a reinvestigation of type specimens for the previously described species, these provide the basis for fully characterising internal structure and external morphology, and for recognising structural homologies among all medullosan synangia. All medullosan pollen organs, simple and complex, can be interpreted as consisting of sporangial tubes that are embedded in parenchymatous and sclerenchymatous ground tissue, and that have vascular bund
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SANDERS, William B., and Asunción DE LOS RíOS. "Structural evidence of diffuse growth and parenchymatous cell division in the cortex of the umbilicate lichen Lasallia pustulata." Lichenologist 50, no. 5 (2018): 583–90. http://dx.doi.org/10.1017/s0024282918000336.

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AbstractHow growth is distributed within the morphologically diverse thalli of lichens is still poorly known and the anatomical mechanisms involved are not well understood. This work applies electron microscopy (SEM and TEM) to examine cell- and tissue-level events in the umbilicate thallus of Lasallia pustulata, whose pattern of expansion was the subject of a previous field study. Stacks of epinecral tissue accumulating at the thallus surface showed broadening bases and recurring rupture attributable to diffuse expansion of the living tissue below. Cortical cells, dividing anticlinally, adjoi
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Amissah, J. Naalamle, Dominick J. Paolillo, and Nina Bassuk. "Adventitious Root Formation in Stem Cuttings of Quercus bicolor and Quercus macrocarpa and Its Relationship to Stem Anatomy." Journal of the American Society for Horticultural Science 133, no. 4 (2008): 479–86. http://dx.doi.org/10.21273/jashs.133.4.479.

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This study investigated the relationship of stem anatomy to differences in rooting ability between Quercus bicolor Wild. and Quercus macrocarpa Michx. cuttings. Quercus bicolor cuttings were found to have a significantly greater proportion of parenchymatous gaps in the sclerenchyma sheath over a 9-week period compared with Q. macrocarpa cuttings. In Q. macrocarpa, the percentage gap was generally low, coinciding with the low percentage rooting observed in this species. Percentage rooting correlated well (r2 = 0.75) with the percentage parenchymatous gap in the perivascular region of Q. bicolor
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Jaumień, Franciszka. "Factors influencing flower bud formation on the pear tree cultivar 'Doyenne du Cornice'. II. Influence of growth inhibition on the anatomical structure of the stem." Acta Agrobotanica 36, no. 1-2 (2013): 95–101. http://dx.doi.org/10.5586/aa.1983.009.

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Differentiation of the particular tissues in shoots inhibited in growth by chlormequat occurs differently than in vigorously growing ones. After the end of elongation growth, in the subapical part of shoots sprayed with chlormequat the cortex extends and secondary xylem develops less intensively, this leading to an increased participation of parenchymatous tissue in the stem.
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TSUNO, Kazunori, and Satoshi WAKIMOTO. "Ultrastructural changes in the interactions between rice leaf parenchymatous tissue and incompatible bacteria." Japanese Journal of Phytopathology 52, no. 4 (1986): 709–20. http://dx.doi.org/10.3186/jjphytopath.52.709.

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Dissertations / Theses on the topic "Tissu parenchymateux"

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Pommerolle, Lenny. "Identification de nouvelles cibles thérapeutiques dans la fibrose pulmonaire idiopathique : Etude du récepteur CD206 et des protéines de choc thermique HSP27 et αB-crystallin". Electronic Thesis or Diss., Bourgogne Franche-Comté, 2021. https://nuxeo.u-bourgogne.fr/nuxeo/site/esupversions/951bd793-5b06-4843-81c4-0d887829fdba.

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La fibrose pulmonaire idiopathique (FPI) est une maladie rare, qui constitue la forme la plus fréquence de pneumopathie interstitielle diffuse de l’adulte. Elle se caractérise par une accumulation massive de matrice extracellulaire, principalement de collagène, dans le parenchyme pulmonaire, ce qui entraine une altération dramatique et irréversible de la fonction respiratoire. La FPI est une pathologie mortelle qui survient principalement après 60 ans, et sa médiane de survie est d’environ 5 ans après diagnostic. Il n’existe aucun traitement curatif. A ce jour seuls 2 médicaments, la pirfénido
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Book chapters on the topic "Tissu parenchymateux"

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Tomlinson, P. B. "Palm stem—mechanics, age determination, and hydraulics." In The Structural Biology of Palms. Oxford University PressOxford, 1990. http://dx.doi.org/10.1093/oso/9780198545729.003.0007.

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Abstract The palm stem, as in all erect woody axes, serves the three-fold functions of transport, mechanical support, and storage. The transport system moves water and mineral nutrients in the xylem from the roots to the leaves, and also moves assimilates (sugars) in the phloem from the leaves (‘sources’) to regions where they are either metabolized or stored (in ‘sinks’) such as root and shoot apices, developing inflorescences and fruits, and storage parenchyma. The mechanical function of erect axes is to support the leafy crown and appendages, and depends on efficient distribution of scleren
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Tomlinson, P. B. "Vascular anatomy of the stem." In The Structural Biology of Palms. Oxford University PressOxford, 1990. http://dx.doi.org/10.1093/oso/9780198545729.003.0006.

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Abstract Palms, because of their simple architecture, provide ideal objects for the study of economy and efficiency in organic construction. They have unbranched axes, each of which supports a terminal tuft of appendages (leaves), each leaf supported by a basal sheath. The palm stem represents the reinforced concrete of the structural engineer (Fig. 6.1), since its tissues can be thought of as a series of axially-orientated vascular bundles (steel rods) embedded in a parenchymatous ground tissue (concrete matrix). Unlike the engineer’s reinforced concrete, the vascular bundles of the palm stem
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Conference papers on the topic "Tissu parenchymateux"

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Makarov, V. N., G. V. Mel'nichuk, and G. V. Yushchenko. "New electrodes system with radiofrequency scalpel for resection of parenchymatous tissue." In 8th International Vacuum Electron Sources Conference and Nanocarbon (2010 IVESC). IEEE, 2010. http://dx.doi.org/10.1109/ivesc.2010.5644259.

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Makarov, V. N., and G. V. Yushchenko. "System for RESECTIOn of parenchymatous tissue based on existing complex "Metatom-2"." In 2010 International Conference on Actual Problems of Electron Devices Engineering (APEDE 2010). IEEE, 2010. http://dx.doi.org/10.1109/apede.2010.5624077.

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