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Quick Readings: Research Articles

Dec29  2019
Traveling in a Space Craft means lots of environmental changes, from pressure, temperature, gravity etc that can lead to physiological and biochemical changes leading to changes in brain activity, not much is known as there are hardly few astronauts or Space Travelers?? to get hold of and run experiments on them?, too small a sample size etc, but yet, this group managed to conduct study on the brains of astronauts, the results are not surprising to me. The limited study conducted reported these results, there are structural changes in many brain areas, associated functional problems. Report is published in AJNR journal..
American Journal of Neuroradiology, 1 Nov 2019

American Journal of Neuroradiology: 40 (11)Prolonged Microgravity Affects Human Brain Structure and Function

 A subset of astronauts develop a constellation of clinical findings, including altered visual acuity, ophthalmologic changes such as cotton wool spots, choroidal folds, and optic disc edema.6 The National Aeronautics and Space Administration (NASA) has termed this constellation of clinical findings “spaceflight-associated neuro-ocular syndrome” (SANS)
http://www.ajnr.org/content/40/11/1878


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Dec 29 2019
Here is another interesting anatomical study on less explored vascular structures of dorsal spinal column by Radiculomedullary artery!

Figure 2Anatomy of the Great Posterior Radiculomedullary Artery

A great posterior radiculomedullary artery is present in most (72%) individuals. The authors describe the microsurgical anatomy of the great posterior radiculomedullary artery with emphasis on its morphometric parameters as well as its implications for spinal cord blood supply. Variations of the arterial supply to the dorsal cord are of great importance due to their implications for ischemic events, endovascular procedures, and surgical approaches.

Image collage, see DuckDuckGo search results below!!
 
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