weightlessness

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weightlessness2017-01-23T09:33:00+00:00

weightlessness 

weightlessness image from New Medical Terms

weightlessness

SPACE MEDICINE

A state in which there is no gravitational effect on a body or material

Physiologic effects of weightlessness Bone mineral loss, altered blood chemistries, weakened immune system, variable heart rate, arrhythmias, loss of skeletal and cardiac muscle mass and strength, increased urinary loss of nitrogen and phosphorus, motion sickness, and redistribution of fluids that are normally pooled in the lower torso and legs, resulting in a “fat face”. 

Note: The space flight endurance record–i.e., weightlessness–366 days for Earthlings is jointly held by Russian Cosmonauts Vladimir Titov and Musa Maranov. 

Synonym Zero G 

Reference http://en.wikipedia.org/wiki/Weightlessness

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