Bone Conduction
Mostrando 25-31 de 31 artigos, teses e dissertações.
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25. Effects of low level exposure to lead on neurophysiological functions among lead battery workers.
OBJECTIVES: Assessment of neurophysiological functions in workers with low level exposure to lead and evaluation of the efficacy of bone lead measurements in the prediction of effects of lead. METHODS: Exposure to lead of 60 workers from a lead battery battery factory was estimated from historical blood lead measurements and analysis of lead in the tibial an
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26. Synthetic matrix metalloproteinase-sensitive hydrogels for the conduction of tissue regeneration: Engineering cell-invasion characteristics
Synthetic hydrogels have been molecularly engineered to mimic the invasive characteristics of native provisional extracellular matrices: a combination of integrin-binding sites and substrates for matrix metalloproteinases (MMP) was required to render the networks degradable and invasive by cells via cell-secreted MMPs. Degradation of gels was engineered star
The National Academy of Sciences.
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27. Juvenile Kearns-Sayre syndrome initially misdiagnosed as a psychosomatic disorder.
We have investigated a 15 year old girl with progressive external ophthalmoplegia, including bilateral ptosis and retinal rod and cone cell dysfunction with atypical retinal pigmentation, complicated by cerebellar ataxia, partial cardiac conduction block, and diabetes mellitus. In infancy she had a severe crisis of bone marrow depression, and as a child she
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28. Identification and characterization of afferent periodontal A delta fibres in the cat.
1. The presence and responsiveness of afferent periodontal A delta fibres was studied in pentobarbitone-anaesthetized adult cats. 2. Extracellular single fibre recordings were made from fine nerve filaments split from the proximally cut end of the inferior alveolar nerve. Periodontal nerve fibres were identified by constant current stimulus pulses applied vi
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29. Body sway and vibration perception thresholds in normal aging and in patients with polyneuropathy.
Body sway and vibration perception in the lower limbs were measured in 32 normal subjects and 25 patients with peripheral neuropathies; nerve conduction studies were also performed in the patients with neuropathies. Body sway was measured by means of force-plate posturography, and three methods were used to assess vibration perception: a neurothesiometer, a
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30. Electrocardiographic and other cardiac anomalies in β-glucuronidase-null mice corrected by nonablative neonatal marrow transplantation
Cardiovascular manifestations of lysosomal storage disease (LSD) are a significant health problem for affected patients. Infantileonset cardiac disease, because of its rapid progression, is usually treated symptomatically. Therapy in older patients includes valve replacement and bone marrow (BM) transplantation, both of which are life threatening in the alre
National Academy of Sciences.
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31. Properties of periodontal mechanoreceptors supplying the cat's lower canine at short and long periods after reinnervation.
1. The properties of periodontal mechanoreceptors innervating the lower canine teeth of cats have been determined 6 weeks and 1 year after sectioning the inferior alveolar nerve. Recordings were made from single fibres dissected from the nerve central to the injury site, whilst forces were applied at right angles to the long axis of the tooth. 2. The range o