Web English-test.net
 

MCAT Word List # MCAT/M91

  test
 


   
Explanation of cortex (noun)
form: no plural

outer layer of a gland or organ in the body; tissue next to the external layer in plants

Sample of cortex
The adrenal cortex and the cerebral cortex are examples of these outer layers or cortices.
In plant stems and roots the cortex is between vascular tissue and the epidermis.



   
Explanation of gangrene (noun)
form: no plural

when the blood supply to a tissue is cut off the tissue turns black and decays

Sample of gangrene
Gangrene of a limb may lead to amputation.



   
Explanation of visual acuity (noun)
form: no plural

sharpness of the vision

Sample of visual acuity
Visual acuity is measured using the Snellen chart.



   
Explanation of blood cell (noun)
form plural: blood cell

either a red or a white blood cell

Sample of blood cell
Blood cells circulate in the blood.



   
Explanation of vitamin (noun)
form plural: vitamins

a food substance we need in small amounts to be healthy

Sample of vitamin
Vitamin C deficiency causes scurvy.



   
Explanation of cerumen (noun)
form: no plural

ear wax

Sample of cerumen
Cerumen is secreted naturally in the outer ear canal by glands and clears debris and dust.



   
Explanation of withdrawal symptom (noun)
form plural: withdrawal symptoms

unpleasant feeling people experience when they stop taking a drug they are addicted to

Sample of withdrawal symptom
Heroine addicts get withdrawal symptoms when they stop taking heroine suddenly.

Medical term withdrawal symptom
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Explanation of metabolism (noun)
form: no plural

all of the energetic reactions that take place in a cell or organism

Sample of metabolism
Cellular metabolism produces energy and raw materials for the cell to renew itself.



   
Explanation of ethanol (noun)
form: no plural

ethyl alcohol; the alcohol in fermented drinks

Sample of ethanol
Ethanol is produced when sugar is fermented by yeast.



   
Explanation of hepatitis (noun)
form: no plural

inflammation or infection of the liver

Sample of hepatitis
Hepatitis is a cause of jaundice (yellow color of the skin).



  © 2003—2010 www.english-test.net