نتایج جستجو برای: spine offourier
تعداد نتایج: 52522 فیلتر نتایج به سال:
Abstract Background: Gorham’s disease is rare and is associated with progressive bone destruction. The first case was reported in 1838 and until now 175 cases with Gorham's disease have been reported in the literature. In this article a patient with concurrent involvement of lumbar spine and trochanteric region is reported. Case report: A 32 years old woman with intensive back pain and par...
purpose: to evaluate of proton therapy (pt) for neurosurgery patients and is also to explain the need for this system in iran. methods: a literature review was conducted (1984–2016). the strategy included a combination of keywords including proton therapy, neck, neurosurgery, brain, head, tumor, spine, arteriovenous malformation (avms), cervical and spine in database of pubmed. new generation p...
background and aims: one of the most common injuries around the world is the traumatic injury of the spine and spinal cord with unknown worldwide situation of traumatic spinal cord injury (tsci) affecting on the effectiveness of preventive policy programs. in addition, because of possibility of making paralysis, the potential injury to the spine could be one of the most important traumas and a ...
Dendritic spines are micron-sized protrusions that harbor the majority of excitatory synapses in the central nervous system. The head of the spine is connected to the dendritic shaft by a 50-400 nm thin membrane tube, called the spine neck, which has been hypothesized to confine biochemical and electric signals within the spine compartment. Such compartmentalization could minimize interspinal c...
1. A compartmental model was employed to investigate the electrical behavior of a dendritic spine having excitable membrane at the spine head. Here we used the Hodgkin and Huxley equations to generate excitable membrane properties; in some cases the kinetics were modified to get a longer duration action potential. Passive membrane was assumed for both the spine stem and the dendritic shaft. Syn...
Dendritic spines represent the major postsynaptic input of excitatory synapses. Loss of spines and changes in their morphology correlate with cognitive impairment in Alzheimer's disease (AD) and are thought to occur early during pathology. Therapeutic intervention at a preclinical stage of AD to modify spine changes might thus be warranted. To follow the development and to potentially interfere...
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