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Jennifer Sanchez

physiology wk 7-13

TermDefinition
Depolarization Electrical activity that triggers a contraction of the heart muscle
Dermatome Skin surface areas supplied by a single spinal nerve
Dalton's Law Gas law that states that the total pressure exerted by a mixture of gases is the sum of the pressure of each individual gas; also called law of partial pressure
Cauda Equina Lower end of spinal cord with its attached spinal nerve roots
Charles's Law Gas law that states that volume is directly proportional to temperature when pressure is held constant; sometimes called Gay-Lussac
Henry's Law Gas law that describes how the pressure of a gas relates to the concentration of that has in a liquid solution
Hearing-Breuer reflex Stretch reflex to control respirations-especially rate and rhythmicity
Hyperpolarization Increase in electrical charges separated by the cell membrane; causes change further below 0 mV
Catecholamine Chemical category of Neurotransmitters that include norepinephrine, epinephrine, and dopamine
Branchial plexus Nerve plexus located deep in the shoulder that innervates the lower part of the shoulder and entire arm
Created by: jennifers1511
 

 



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