The Eclectic Magazine of Foreign Literature, Science, and Art, Volume 13;Volume 76Leavitt, Trow, & Company, 1871 |
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Página 350
... brain and spinal cord , ceasing themselves to receive impressions , cease to communicate to the muscles they supply stimulus for motion , and the mus- cles under their control with their nerves therefore sleep . And so , to the extent ...
... brain and spinal cord , ceasing themselves to receive impressions , cease to communicate to the muscles they supply stimulus for motion , and the mus- cles under their control with their nerves therefore sleep . And so , to the extent ...
Página 351
... brain is really supplied with less blood than in waking hours . To account for the reason why the brain is less freely fed with blood in sleep , it has been surmised that the vessels , the arteries , which feed the brain , and which for ...
... brain is really supplied with less blood than in waking hours . To account for the reason why the brain is less freely fed with blood in sleep , it has been surmised that the vessels , the arteries , which feed the brain , and which for ...
Página 352
... brain during sleep , while the mechanism of the circu- lation through the brain furnishes no thought of this theory as being possibly correct . The theory that sleep is caused by withdrawal of blood from the brain by contraction of its ...
... brain during sleep , while the mechanism of the circu- lation through the brain furnishes no thought of this theory as being possibly correct . The theory that sleep is caused by withdrawal of blood from the brain by contraction of its ...
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The Eclectic Magazine of Foreign Literature, Science ..., Volume 1;Volume 64 Visualização integral - 1865 |
The Eclectic Magazine of Foreign Literature, Science, and Art, Volume 25 Visualização integral - 1851 |
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