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MCAT Word List # MCAT/W53

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Description of epidemic (noun: plural: epidemics)
an outbreak of an infectious disease

Samples of epidemic
Contagious diseases often cause epidemics.



   
Description of cilium (noun: plural: cilia)
hair-like process found on epithelial linings; an eyelash or eyelid

Samples of cilium
Cilia line the upper respiratory tract and are damaged by cigarette smoke.



   
Description of absolute temperature (noun: plural: absolute temperatures)
temperature according to an absolute scale

Samples of absolute temperature
An example of an absolute scale is the Kelvin scale.

Determination of absolute temperature
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Description of larynx (noun: plural: larynges)
organ that produces vocal sounds and carries air from the pharynx to the trachea

Samples of larynx
The larynx is also called the voice box.



   
Description of ozone (noun: no plural)
an unstable; reactive gas which has oxidative properties

Samples of ozone
Ozone is an allotrope of oxygen.



   
Description of zymosis (noun: no plural)
the process of fermentation brought about by yeast

Samples of zymosis
Ethanol is made by zymosis.



   
Description of zona pellucida (noun: plural: zona pellucidae)
thick membrane surrounding the female ova

Samples of zona pellucida
The zona pellucida is transparent.

Determination of zona pellucida
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Description of ejaculation (noun: plural: ejaculations)
the movement of semen out of the penis by contractile waves which occur at orgasm

Samples of ejaculation
Ejaculation is needed to position the sperm high up in the vagina to maximize the chances of conception.

Determination of ejaculation
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Description of diabetes (noun: no plural)
disease of pancreas due to lack of insulin

Samples of diabetes
Symptoms of diabetes are weight loss, frequent urination and fatigue.



   
Description of chlorophyll (noun: no plural)
green pigment found in all green plants that absorbs light so that photosynthesis can occur

Samples of chlorophyll
Some bacteria contain chlorophyll as well as plants.

Determination of chlorophyll
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