Notes on the structure, function, and processes involved in the human kidney

Over the last several years, few beas of medical seek confine received as much attention as those divisions habituated(p) to bowknot st altogether inquiry. Research has uncovered a register of omnipotent prison electric cellphones in many organisms that dissemble like embryonal cells in that they have the ability to modify into many variant cell types. These cells function in distress repair, growth, and regeneration. Stem cell activity has been observed in many areas of the body including the digestive tract and bone marrow. Almost all post-natal declination cell formation occurs in the bone marrow. Here, a common macrocosm of stem cells (pluripotential hemopoietic stem cells) gives rising to progenitor cells and trumpeter cells that, when prompted by favorable levels of growth factors, vary into red blood cells or one of several types of leukocytes. In the lining of the thin intestine and colon, the regenerative cells of the crypts of Lieberkuhn in the m ucosa are responsible for cell replacement. Until recently, it was believed that cells of the nervous system did not introduce in cell regeneration and replacement. However, as report by Gerd Kempermann and Fred Gage in New Nerve Cells for the Adult Brain, interrogation has uncovered that stem cells do function in neuron replacement.          A long-time opinion was that neurons were not replaced if the cell died.

It was also believed that a neuron could not repair itself if damaged. Kempermann and Gages term is centered on the long history of investigate devoted to disprove both of these theories. As early as 1965, research was being performed on rats to determine i f neuron production existed. The research p! erformed at MIT reported neurogenesis (neuron production) was found to occur in the rough gyrus function of the hippocampus. The hippocampus is the area of the brain associated with reminiscence and learning. In...

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