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PCAT Word List # PCAT/W25

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Description of sinus (noun: plural: sinuses)
air spaces in the skull; pathological cavity containing pus

Samples of sinus
Whenever I catch a cold my sinuses hurt.



   
Description of flushing (noun: no plural)
reddening of the skin

Samples of flushing
I often experience the descent of the Kundalini down the front side of my body, into my chest area (can't be more specific) and this causes a bright red flushing in the skin of my chest, which I believe is caused by the energy release.



   
Description of sunburn (noun: plural: sunburns)
acute and painful skin damage

Samples of sunburn
It is very important to protect our skin from sunburn.



   
Description of rare (adverb)
uncommon; not usual

Samples of rare
She has a rare disease and the doctors don't know anything about it.



   
Description of CFC (abbreviation: plural: CFCs)
gases used in aerosols

Samples of CFC
Chlorofluorocarbons (CFCs) are harmful to the environment.



   
Description of exogenous (noun)
something applied from outside

Samples of exogenous
An illness that is caused by a pathogen can be said to have an exogenous cause.



   
Description of SI unit (noun: SI units)
international science measurements

Samples of SI unit
There are seven main units in this measurement system.



   
Description of necrosis (noun: no plural)
set of irreversible changes in a cell that causes it to die

Samples of necrosis
Tissue necrosis can occur if the blood supply to that tissue is cut off.



   
Description of stomata (noun: only plural)
pores on the leaf surface

Samples of stomata
Transpiration occurs from the surface of the leaf through stomata.
With atmospheric levels of carbon dioxide expected to double in the next century, plants would open the stomata through which they breathe for shorter periods reducing the transpiration of water and providing less water for cloud formation.



   
Description of caution (noun: plural: cautions)
warning; caveat

Samples of caution
The evidence suggests that human insulin is a faster and shorter acting insulin and caution should be exercised in transferring patients from animal insulins.



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