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PCAT Word List # PCAT/W112

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Description of nitric oxide (noun: plural: nitric oxides)
a red-brown gas which is poisonous

Samples of nitric oxide
US scientists have just discovered that the gas, nitric oxide, is produced in the main nerve of the penis, where it triggers the blood flow which causes an erection.

Determination of nitric oxide
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Description of funnel (noun: plural: funnels)
device with a wide open end and a narrow end which allows liquids to be poured into a container with a small opening

Samples of funnel
Funnels are often used in scientific experiments to avoid spilling liquids.



   
Description of tin (noun: no plural)
metal with the chemical symbol Sn

Samples of tin
Tin is used to coat food cans.



   
Description of exocytosis (noun: no plural)
process where substances are ejected from a cell

Samples of exocytosis
Vesicles fuse with the cellular membrane and eject their content outside the cell by exocytosis.



   
Description of tympanic membrane (noun: plural: tympanic membranes)
the eardrum

Samples of tympanic membrane
The tympanic membrane is in the middle ear.

Determination of tympanic membrane
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Description of pancreatitis (noun: no plural)
inflammation or infection of the a glandular organ located in the abdomen

Samples of pancreatitis
Alcohol excess is a cause of pancreatitis.

Determination of pancreatitis
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Description of flavin adenine dinucleotide (noun: plural: flavin adenine dinucleotides)
one of the cytochromes that acts as a hydrogen and electron acceptor

Samples of flavin adenine dinucleotide
Flavin adenine dinucleotide is vital for cellular respiration.

Determination of flavin adenine dinucleotide
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Description of malaise (noun: no plural)
a feeling of being generally unwell but without specific symptoms

Samples of malaise
General malaise may be a symptom of disease.
Primary infection with HIV-1 may cause an acute viral syndrome with symptoms varying from mild fever, malaise, headaches, and maculopapular rash to more severe symptoms like aseptic meningoencephalitis and even oesophageal candidiasis.



   
Description of atrioventricular node (noun: no plural)
muscle fibers in the heart receiving heartbeat impulses

Samples of atrioventricular node
The atrioventricular node works slowly allowing enough time for the artrial contraction and for the ventricles to fill with blood.

Determination of atrioventricular node
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Description of metric (adjective: more metric; most metric; the most metric)
relating to a measurement system

Samples of metric
There are two main systems of measurement - the metric and the imperial.



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