Background Scarcity of appropriate biomaterials and the complexity of biological milieu have posed a great challenge to regenerative medicine, particularly in the repair of sectioned or crushed sections of peripheral nerves. The gold standard for treating nerve lesions is the autograft in which patient’s own peripheral nerve is harvested, but...
1215 words | 5 page(s)
Regardless of area of expertise, the ultimate goals of all areas in the field of biomedical engineering are the same: to improve overall quality of life, reduce the impact of disease in everyday life, and to provide the appropriate infrastructure that will both promote and enhance the interactions between biomedical...
348 words | 2 page(s)
The pre-implantation genetic diagnosis is a new technology green discusses in his article in which he claims it has helped many couples have healthy and normal babies. Green says that PGD can screen growing cells for genetic defects very early in embryonic life. It encompasses taking a solitary cell from...
616 words | 3 page(s)
1) Neurotransmission can be defined as the passage of electric impulses across the synaptic gaps of neurons via chemical agents called neurotransmitters. Packets of neurotransmitters are released by neurons and activate the receptors of another neuron after the impulse reaches the axon terminal. Neurotransmitters, which can act in either inhibitory...
679 words | 3 page(s)
Why study the limbic system? Most people see emotions and motivation as a psychological issue that originates in the mind. However, modern neuroscience offers an explanation for emotions and behaviors that point to primitive centers of the brain as the originators of emotional reactions. Emotions themselves are protective mechanisms designed...
877 words | 3 page(s)
The research in question generated new mutations of the H5N1 virus. The H5N1 virus is an avian or "bird" flu that infects both birds and humans. The highest mortality associated with it tends to occur in the 10-19 years of age bracket. It has resulted in the most severe cases...
364 words | 2 page(s)
Recently, the media and the public have paid significant attention to fracking as an environmental concern. "Fracking" is a shortened name for induced hydraulic fracturing, a method to obtain petroleum products from the earth. In this method, water and usually sand are injected at high pressures to create wells. A...
978 words | 4 page(s)
There were plenty of things that Charles Darwin got wrong in his most famous work On the Origin of Species. Yet no contemporary biologist doubts the central claim of Darwin's work-namely, that evolution is driven by random variation coupled with non-random survival. In 2004, for example, the front page cover...
567 words | 2 page(s)
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