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PCAT Word List # PCAT/M90

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Explanation of estrogen (noun)
form plural: estrogens

female sex hormone

Sample of estrogen
Estrogen is a steroid that is important for the development and function of the female reproductive system.



   
Explanation of burn (verb)
forms: burnt/burned; burnt/burned; burning

to be on fire; to scald

Sample of burn
Caustic agents can seriously burn skin.



   
Explanation of regenerate (verb)
forms: regenerated; regenerated; regenerating

to grow again; to reform

Sample of regenerate
Some cells of the body can regenerate after damage.
The epidermis can regenerate after injury.



   
Explanation of hypoglycemia (noun)
form: no plural

low glucose concentration in the blood

Sample of hypoglycemia
Symptoms of hypoglycemia are fatigue, confusion, drowsiness, irritability fits and collapse.
Glucose metabolism and insulin secretion are disturbed; hypoglycemia is common and potentially lethal but usually responds promptly to dietary correction.



   
Explanation of -meter (suffix)
measuring device

Sample of -meter
A spectrometer measures the wavelengths of radiation.



   
Explanation of pinocytosis (noun)
process where liquid is taken into the cell within vesicles

Sample of pinocytosis
During pinocytosis small vesicles form out of the plasma membrane and carry liquid into the cell from outside.



   
Explanation of heterotroph (noun)
form plural: heterotrophs

organism that depends on autotrophs (producers) for food and oxygen

Sample of heterotroph
Animals are multicellular heterotrophs.



   
Explanation of white matter (noun)
form: no plural

nerve tissue of the central nervous system that is pale in comparison to the gray matter because it contains more nerve fibers

Sample of white matter
Most of the cerebrum is made of white matter.



   
Explanation of electron shell (noun)
form plural: electron shells

a main energy leve; a group of atomic orbitals with the same value of the principal quantum number n

Sample of electron shell
The number of electrons in the outer electron shell determines the properties of atoms.



   
Explanation of sample (verb)
forms: sampled; sampled; sampling

to take a representative part or portion; to taste something

Sample of sample
A sample of tissue was taken for analysis.



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