Spinal Nerve

... to SA node via dual innervation: First from sympathetic nervous system (Spinal nerve T1-4) Second from parasympathetic nervous system(Cranial nerve CN-X) Sympathetic stimulation ...

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... I feel no secondary pain at all (most likely I am just missing the nerve). I initially thought there was some correlation between the two locations ... surprised. Could this possibly stem from damage/malformation in my spinal cord, or could it just be my brain crossing signals? Any insight or ...

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... SET-POINT: This is detected by peripheral receptors (sensors, sensory nerve endings), which relay the information (eg., a fall in the level of ... receptors. it is often a particular region of the brain or the spinal cord (eg., the hypothalamus has centres for thist, hunger, appetite, ...

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I think No! The nerve impulse starts from brain/spinal cord and ends at the effector organ or vice versa They are just conductors, they get activated when the ...

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... the unmyelinated fibers, 0.4 to 1.2 micrometers in diameter, conducting nerve impulses at a velocity of 0.7 to 2.3 meters per second. http://medical-dictionary.thefreedictionary.com/C+fiber ... send information to, rather than from the brain) travel back to the spinal cord where they form synapses ...

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