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Wednesday, July 22, 2020 | History

2 edition of Electron microscopic and histological observations on fracture repair in young and old rats found in the catalog.

Electron microscopic and histological observations on fracture repair in young and old rats

Aho, Allan, J.

Electron microscopic and histological observations on fracture repair in young and old rats

by Aho, Allan, J.

  • 157 Want to read
  • 5 Currently reading

Published by Munksgaard in Copenhagen .
Written in English

    Subjects:
  • Fractures.

  • Edition Notes

    Bibliography: p. [51]-57.

    Statementby Allan J. Aho.
    SeriesActa pathologica et microbiologica Scandinavica., 184
    Classifications
    LC ClassificationsRD101 .A4
    The Physical Object
    Pagination95 p.
    Number of Pages95
    ID Numbers
    Open LibraryOL5571819M
    LC Control Number67080580
    OCLC/WorldCa17885232

    DR afforded a significant nephroprotection to ischemic kidneys of young rats. However, in old rats, DR did not provide such beneficial effect. On the assessment of the autophagy marker, the LC3 II/LC3 I ratio, and after staining the tissue with LysoTracker Green, we concluded that in old rats activity of the autophagic-lysosomal system decreased.   The sections were stained with haematoxylin and eosin (H&E). Fluorescence microscopy (Nikon, Japan) was employed to observe the histological images of tissues formed inside the 3D-printed PLA scaffolds with different structures after one-month and three-month subcutaneous implantations in the back of rats (n = 4 for each group).

    The first comprehensive collection of all the major methods for studying the histology and histomorphometry of bone and cartilage. The detailed methods include techniques for bone labeling, bone sectioning, histological analysis, histomorphometric analysis, . Figure 2. Characterization of exosomes released by human synovial-derived mesenchymal stem cells (SMSC-Exos). (A) Particle size distribution of SMSC-Exos measured by DLS. (B) Morphology of SMSC-Exos under a transmission electron bar: nm. (C) Western blotting analysis of exosomal surface markers (including CD9, CD63, CD81, and TSG).

    Assessment of Bone Viability After Heat Trauma: A Histological, Histochemical and Vital Microscopic Study in the Rabbit Eriksson et al. Vol - Issue 3. (From hereon, EM is standard transmission electron microscopy.) Table 2. Some differences between light and electron microscopy. Light microscopy Electron microscopy Image is presented directly to the Image is in shades of green on eye. Image keeps the colours given the screen; photographically, the specimen by staining.


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Electron microscopic and histological observations on fracture repair in young and old rats by Aho, Allan, J. Download PDF EPUB FB2

Add tags for "Electron microscopic and histological observations on fracture repair in young and old rats,". Be the first. Acta Pathol Microbiol Scand. Suppl Electron microscopic and histological observations on fracture repair in young and old by: Summary Intracellular collagen-like fibers in smooth-surfaced, single membrane-limited, elongated vacuolar structures were demonstrated by electron microscopy in the different types of osteogenic cells of the fracture callus in the by:   REFERENCES Aho A.

() Electron microscopic and histologi- cal observations on fracture repair in young and old by:   The secretion pattern of inflammatory cytokines in the fracture rats we found in the present study was similar with the discovery of Tamiyo Kon's study, A.J.

AhoElectron microscopic and histological observations on fracture repair in young and old rats. Acta Pathol. Microbiol. Scand. (Suppl. ) (), pp. Cited by: 6. Their histological observations sug- Electron microscopic and histologic studies on fracture repair in old and.

young rats. Google Scholar Aho, A.J.: Electron microscopic and histological observations on fracture repair in young and old rats.

Acta path. microbiol. scand., Suppl.1–95 (). We estimated that a 6-week-old rat corresponded to an approximate to year-old human and used 6-week-old rats to represent actively growing subjects. The experiments were approved by the Animal Experimentation Committee of XXXXX.

The rats were used for measurements of miniscrew stability and FE-SEM observations. Based on the histological observations, secondary fracture healing occurs in four overlapping phases, which are haematoma formation, early inflammatory (two to four weeks), repair (proliferation and differentiation, within a month or two), and late remodelling phase (lasting for months or years).

The clinical impact of fractures is substantial. Vascular abnormalities and demyelination are the predominant histological changes seen in radiation-induced CNS injury. Classically, late delayed injury was viewed as due solely to a reduction in the number of surviving clonogens of either parenchymal, i.e., oligodendrocyte (Van den Maazen et al., ), or vascular, i.e., endothelial (Calvo.

bone (DBCB-pin) implanted in the subcutaneous tissue of rats, as well as to assess its microstructural aspect by scanning electron microscopy (SEM). The pins were implanted in the subcutaneous tissue of 20 rats, which were killed at 7, 14, 28 and 60 days (5 rats/ period) after implantation.

According to this result, icariin at concentrations of 10, 20 and 40 μM was selected for observation and showed a significant effect on the proliferation of BMSCs derived from OVX rats. Transmission electron microscopy demonstrated intact segments. Between d 12 and 15 of development, mean segment length increased from approximately 22 to 33 microns.

Popularly known as “the silent disease” since early symptoms are usually absent, osteoporosis causes progressive bone loss, which renders the bones susceptible to fractures.

Bone fracture healing is a complex process consisting of four overlapping phases—hematoma formation, inflammation, repair, and remodeling. The traditional use of natural products in bone fractures means that. Microscopic anatomy includes cytology, the study of cells and histology, the study of tissues.

As the technology of microscopes has advanced, anatomists have been able to observe smaller and smaller structures of the body, from slices of large structures like the heart, to the three-dimensional structures of large molecules in the body. In healthy rats, radiological, microstructural and mechanical measures suggested a reduced osteogenic response compared to previous publications in young, male rats.

Test book of Histology, 3rd edition by GP Pal. Recent Activities. Read More. Exploring the economic case for climate action in cities. Read More. Particle counting immunoassay of immunoglobulin E antibodies after their elution from allergosorbents by pepsin: an alternative to the radioallergosorbent test.

Recently, fast-setting α-tricalcium-phosphate (TCP) cement was developed for use in the pulp capping process. The aim of this study was to investigate the physical properties and biological effects of α-TCP cement in comparison with mineral trioxide aggregate (MTA).

We measured the setting time, pH values, compressive strength, and solubility of the two materials. Bone is a hierarchical hard tissue that consists of oriented crystals of hydroxyapatite (HAP, Ca 10 (PO 4) 6 (OH) 2) embedded within type I collagen fibrils.

1, 2 The 2–4 nm thick HAP crystalline platelets in bone significantly enhance the stiffness and toughness of the collagen fibrils by dissipating the tension loaded on the structure.

Undernutrition and protein deficiency can cause a. Microscopic analysis on rats’ teeth, Dental Traumatology, /j H. Çankaya, Scanning electron microscopic observations of apical root surfaces of teeth with apical periodontitis, Dental Traumatology, /j a scanning electron microscopic study, International Endodontic Journal, /jx.

Electron Microscopy and Science (E Zeitler) Ultracytochemical Observation of Lysosomal Movements (K Ogawa et al.) Application of High Resolution Electron Microscopy in Molecular and Atomic-Level Investigation of Biological and Clinical Materials (Y S Lee) Ultrastructure of Rat Mast Cell Cytoskeleton and Degranulation (E Y Chi).

Histological analysis with H&E, toluidine blue and safranin O-fast green staining revealed that there was a visible improvement in the fracture healing of the femur in exosome-injected rats compared with rats in the other two groups (Fig.

3c). In addition, a woven bone was observed in the fracture site of the femur in the Exo group. Histological observation of the subcutaneous implantation tests by HE staining.

It shows the changing processes of inflammatory cell type and number as well as the integration of the grafts with the surrounding tissues at day 3, 7, 14, 28 and 56 after implantation in the FP group, the AP group and the Bio-Gide group.