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| aflutter |
excited and nervous; fluttering. |
| amphetamine |
a drug that stimulates the central nervous system, depressing appetite and heightening activity. |
| antsy |
(informal) nervous; apprehensive. [1/2 definitions] |
| autonomic |
in physiology, of or relating to the autonomic nervous system. [1/3 definitions] |
| autonomic nervous system |
the part of the nervous system in vertebrates that controls involuntary bodily processes, such as the operation of the heart, stomach, and glands; sympathetic and parasympathetic nervous systems together. |
| beriberi |
a disease of the nervous system, caused by lack of thiamine and characterized by paralysis of the extremities and by swelling or emaciation. |
| beta blocker |
any of a class of drugs that inhibit the absorption of adrenalin and the activity of the autonomic nervous system, and are used to control the heartbeat and relieve angina and hypertension. |
| botulism |
an often lethal disease of the nervous system caused by ingesting even small amounts of the toxin botulin, produced by a bacterium that grows in poorly preserved or spoiled foods. |
| bovine spongiform encephalopathy |
a fatal disease, also known as "mad cow disease," that affects the nervous system of cattle. |
| brain |
the organ of the central nervous system contained within the skull, which thinks, interprets sensations, and coordinates motion and other activity in the rest of the body. [1/5 definitions] |
| brain imaging |
the branch of medicine that deals with producing images of the brain and nervous system; neuroimaging. [2 definitions] |
| buck fever |
the nervous excitement felt by novice hunters when they first sight game. |
| calm down |
to become calm; to stop being angry, tense, nervous, or agitated. [1/3 definitions] |
| calming |
causing one to feel calm; causing one to feel less nervous, tense, or upset. |
| chlorpromazine |
a drug used to treat nervous upset, nausea, and certain mental disorders. |
| chorea |
a disease of the nervous system in humans and dogs whose symptoms include uncontrollable jerking movements of the face, arms, and legs. |
| conduction |
the transmission or transfer, as of heat, electrical charges, or nervous impulses, through a medium. [1/2 definitions] |
| dextroamphetamine |
a solid compound used to stimulate the central nervous system and control the appetite. |
| disturb |
to make nervous or uneasy; trouble. [1/3 definitions] |
| ectoderm |
an animal embryo's outermost layer of cells, from which the skin, nervous system, and sense organs develop. |
| edgy |
irritably nervous or impatient; on edge. |
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