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MCAT Word List # MCAT/M107

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  Word Explanations vacuum, prilosec, xylem, eustachian tube, acetylcholine, stereoisomer, colony, ductility, emetic, dementia


   
Explanation of vacuum (noun)
form plural: vacuums

a space that contains no air or gases

Sample of vacuum
Distillation reactions carried out in a vacuum lowers the temperature at which liquids boil.



   
Explanation of prilosec (noun)
form: no plural

omeprazole that suppresses acid secretion in the stomach

Sample of prilosec
Prilosec belongs to a class of drugs called proton pump inhibitors (PPIs).
Proton Pump inhibitors have dramatically changed the way gastroesophageal reflux disease (GERD) can be treated.



   
Explanation of xylem (noun)
form: no plural

the tissue in plants which transports water and salts

Sample of xylem
Water travels from the plant roots to the leaves up the xylem.



   
Explanation of eustachian tube (noun)
form: no plural

tube from the back of the nose to the middle ear

Sample of eustachian tube
The Eustachian tube helps equalize pressure between the ear and the outside air.



   
Explanation of acetylcholine (noun)
form: no plural

the neurotransmitter used by cholinergic nerves

Sample of acetylcholine
Acetylcholine is a compound of choline and acetic acid.



   
Explanation of stereoisomer (noun)
form plural: stereoisomers

molecule containing the same number and kind of atomic groups as another but having a different spatial arrangement, therefore having different charactersitics

Sample of stereoisomer
Cyclic stereoisomers differ about the new chiral carbon.



   
Explanation of colony (noun)
form plural: colonies

collections of bacterial cells

Sample of colony
Bacterial colonies can be cultivated on agar.



   
Explanation of ductility (noun)
form: no plural

characteristic of a substance to be shaped under pressure without breaking, but to be cut in thin stripes

Sample of ductility
Ductility is the ability of a metal to be drawn into wires.



   
Explanation of emetic (noun)
form plural: emetics

substance or drug that causes vomiting

Sample of emetic
Morphine can serve as an emetic causing a patient to vomit.



   
Explanation of dementia (noun)
form: no plural

illness affecting the brain where the ability to remember things; and other mental skills; are poor

Sample of dementia
Dementia is more common in the elderly.



  Explain the words vacuum, prilosec, xylem, eustachian tube, acetylcholine, stereoisomer, colony, ductility, emetic, dementia

  Preparation book: The Eustachian Tube: Structure, Function

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     MCAT test: Vocabulary Words: Examples of Nouns         MCAT test: Word games: Free Online Nouns Quiz         MCAT Vocabulary: (printable version)         Meaning of vacuum, prilosec, xylem, eustachian tube, acetylcholine, stereoisomer, colony