نتایج جستجو برای: mature bone
تعداد نتایج: 367894 فیلتر نتایج به سال:
Osteoporosis is an age-related systemic skeletal disease characterized by low bone mass and microarchitectural deterioration of bone tissue, with a consequent increase in bone fragility. Bone remodeling involves two types of cells: osteoblasts and osteoclasts. Receptor activator of nuclear factor-κB ligand (RANKL) is a key regulator of the formation and function of bone-resorbing osteoclasts, a...
1Senior Registrar, Endocrinology, 2Consultant Endocrinologist, 3Consultant Radiologist, 4Senior Registrar, Orthopedic, 5Consultant Orthopedic Surgeon, 6Consultant Histo Pathologist, National Hospital of Sri Lanka. Figure 1. Xray skull – lateral. Figure 2. Histology of the bone biopsy shows mature thick cortical lamellar bone with regular prominent cement lines (thick arrow) with prominent osteo...
Human myeloid maturation proceeds within the bone marrow and results in a mature neutrophil that is released into the peripheral circulation. Previous reports have indicated that neutrophils from bone marrow demonstrate decreased adherence, impaired phagocytosis, and decreased nitroblue tetrazolium dye reduction when stimulated. Due to lack of a suitable method for isolating purified bone marro...
OBJECTIVES The aims of this study were to investigate the biochemical topography of collagen types I and III and to describe the histological structure at the implant placement site to determine the clinical significance of the findings and their possible interaction with bone healing around dental implants. MATERIAL AND METHODS Bone cores from 9 mandibles were taken from the site of placemen...
Many postmenopausal women have vitamin D and calcium deficiency. Therefore, vitamin D and calcium supplementation is recommended for all patients with osteopenia and osteoporosis. We used an experimental rat model to test the hypothesis that induction of osteoporosis is more efficiently achieved in peripheral bone through combining ovariectomy with a unique multi-deficiencies diet (vitamin D de...
INTRODUCTION A case of spontaneous bone regeneration after mandible resection is reported. CASE REPORT A 6-year-old boy suffered from ameloblastoma in his right mandible. Six months after haemimandibulectomy, a bone regeneration forming a new form of mandible is seen. HISTOPATHOLOGY Lamellar mature bone was observed. Resection of the large portion of the mandible as the choice of treatment ...
Thymus, spleen, and bone marrow of 1-month-old neonatally Moloney murine leukemia virus-inoculated mice have been transferred to 400-R-irradiated syngeneic recipients of the opposite sex. The donor or recipient origin of T-cell lymphomas arising in the host animal was identified by the sex chromosome marker. Spleen and bone marrow of athymic BALB-nu/nu mice contain cells with the potential to d...
Mature bone can adapt to strenuous exercise, but no study has correlated the changes in bone in vivo strains, remodelling and mechanical properties that occur as a consequence of strenuous training. Therefore, we examined exercise-related remodelling and in vivo strains in the tarsometatarsus (TMT) of three groups of adult (post-physial closure) White Leghorn roosters: basal control (30 weeks o...
A comparative study of immature and mature bone marrow-derived dendritic cells (BMDCs) was first performed through an atomic force microscope (AFM) to clarify differences of their nanostructure and adhesion force. AFM images revealed that the immature BMDCs treated by granulocyte macrophage-colony stimulating factor plus IL-4 mainly appeared round with smooth surface, whereas the mature BMDCs i...
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