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PCAT Word List # PCAT/M88

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Explanation of lithium (noun)
form: no plural

soft silver-white univalent element of the alkali metal group

Sample of lithium
Mendeleev himself felt that its first row should have eight elements in it, as the second did, and advertised for vacancies between hydrogen and lithium.



   
Explanation of dementia (noun)
form: no plural

illness affecting the brain where the ability to remember things; and other mental skills; are poor

Sample of dementia
Dementia is more common in the elderly.
Some patients suffering dementia as a consequence of Parkinson's disease or Down's syndrome show nerve damage virtually identical to that in Alzheimer's patients: in contrast, dementia due to Huntington's disease seems to be due to a specific deterioration of different nerve cells.



   
Explanation of poison (verb)
forms: poisoned; poisoned; poisoning

to cause damage to an organism as a result of exposure to a toxic substance

Sample of poison
Pollutants in the environment have the capacity to poison us.



   
Explanation of regeneration (noun)
form: no plural

the regrowth of lost or damaged parts or cells

Sample of regeneration
Nerve regeneration is a slow and limited process.



   
Explanation of flagellate (noun)
form plural: flagellates

an organism that moves with the help of a tail-like structure

Sample of flagellate
Some parasites are flagellate e.g. the trypanosomes.



   
Explanation of adiabatic (adjective)
related to a thermodynamic process involving no heat exchange

Sample of adiabatic
Loss or gain of heat does not occur during an adiabatic process.



   
Explanation of replace (verb)
forms: replaced; replaced; replacing

to put back into a former position; to substitute

Sample of replace
After menopause women are offered HRT to replace the hormones they lack.



   
Explanation of plastid (noun)
form: plastids

energy-transducing organelle in plant cells

Sample of plastid
Plastids produce and store plant material.



   
Explanation of dorsum (noun)
form plural: dorsa

the back of the body

Sample of dorsum
The patient has a rash on the dorsum.



   
Explanation of internal (adjective)
forms: more internal; most internal; less internal; least internal

inside

Sample of internal
An internal examination may be needed to check a woman's reproductive system.



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