نتایج جستجو برای: bone cortex to diameter ratio
تعداد نتایج: 10797017 فیلتر نتایج به سال:
this is an original study on the effect of a polyisobutylene – polydimethylsiloxane (pibpdms) block copolymer modifier used as an interfacial active agent on the dynamics behaviour of single newtonian drops suspended in a polyisobutylene (pib) newtonian matrix. the results were divided in two sections. the first part included the experiments carried out on the non-modified and 2% block cop...
The brain requires O2 and nutrition to keep functioning. It is known that concentration converts the polarity of vessel response near activated neuron in hippocampus. However, it remains unclear whether cortex. We investigated comparison arteriole stimulated neurons cerebral cortex slices between 95% 20% medium. showed diameter blood vessels decreased under when pyramidal cells were increased w...
Background: Evidences exist that abdominal obesity is a difference in terms of body mass index (BMI) and these two factors have different effects on bone density. This study examined the association between body mass index, obesity, the history of fracture and bone mineral density in Iranian population. There exist evidences on the effects of body mass index (BMI) and abdominal obesity, and the...
morphometric plasticity of nitric oxide containing neurons in the barrel cortex of de-whiskered rats
background: the rodent somatosensory barrel cortex is an ideal model to examine the effect of experience-dependent plasticity on developing brain circuitry. sensory deprivation such as whisker deprivation may affect neuroanatomical aspects of the brain during developmental processes. the present study designed to investigate the possible effects of whisker deprivation on the morphometric charac...
Background: Ceftriaxone is an antibiotic used for treating respiratory,skin,bone and kidney infections. Our purpose was investigating effect of ceftriaxone on testicular tissue. Materials and Methods: 40 mice with 6 weeks old were used in this study. The mice randomly were divided into 2 groups, control- sham and test groups. The test group was subdivided to IP1 and IP2 which received Ceftriaxo...
Quantification of porosity and degree of mineralization of bone facilitates a better understanding of the possible effects of adaptive bone remodelling and the possible consequences for its mechanical properties. The present study set out first to give a three-dimensional description of the cortical canalicular network in the human mandibular condyle, in order to obtain more information about t...
Some young large farm animals show a laminar bone formation in the long-bone cortex. Such a laminar bone is gradually replaced by Haversian bone with osteons during their growth periods. In this preliminary study, we observed the transverse ground samples of tibia cortex in young calves, pigs, and sheep by backscattered electron imaging. The cortex bones of all the newborn (NB) animals were bas...
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