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The load-bearing surface of the mandibular condyle presents a unique arrangement of tissues consisting of an avascular layer composed largely of collagen bundles. Fibroblasts are interspersed amongst these bundles and are generally agreed to produce the collagen. The mechanisms controlling development of these tissues have not been determined. This study(More)
Light microscopy of the mandibular joint tissues from fetal mice show a distribution of fibrillar structures in the articular fibrous capsule covering the condylar head. Further SEM and TEM studies were conducted on autoclaved xiphoid and mandibular condylar processes of the fetuses for observation of the elastic system fibers in these cartilaginous(More)
Previously, the radioisotope labeling and morphometric techniques have been used for the quantitative determination of growth of mandibular condyle by measuring the DNA synthesis or the increased number of cells. However, it is difficult to analyze the dynamics of ESFs (Elastic System Fibers) in the mandibular condyle related to aging, because of changes in(More)
Elastic system fibers (ESFs), i.e., microfibrils (putative oxytalan fibers), elaunin and elastic (true elastin) fibers, in the rat mandibular joint were studied mainly using scanning electron microscopy (SEM) and light microscopy (LM) with the aid of image processing. The present quantitative analysis using LM showed that the articular disc and capsule,(More)
Exposure to methylmercuric chloride (MMC) has been shown to significantly affect development of the lung and pulmonary surfactant system of the fetus. Preliminary results suggest it may also affect adult lung and associated bronchoalveolar lavage (BAL), which represents the extracellular surfactant pool. To determine if mercury exposure has the potential to(More)
A comparative study on inherited tooth morphology characters, in particular the incidence of Carabelli tubercles in the maxillary dentition, was conducted on standardized stone casts obtained from 240 Japanese (124 males (male) and 116 females (females)) and 160 Chinese (74 male, 86 female) young adults. The following results were obtained: 1) No(More)
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