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MCAT Word List # MCAT/M113

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  Word Explanations larynx, carbon dioxide, infection, dalton, gastric gland, ciliary muscle, thyroxine, cholesterol, scrotum, isotope


   
Explanation of larynx (noun)
form plural: larynges

organ that produces vocal sounds and carries air from the pharynx to the trachea

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



   
Explanation of carbon dioxide (noun)
form plural: carbon dioxides

gas used by plants in photosynthesis and made in respiration

Sample of carbon dioxide
A high concentration of carbon dioxide in the blood stimulates respiration.



   
Explanation of infection (noun)
form plural: infections

stituation created when microbes enter the body and cause a disease

Sample of infection
There is no specific treatment for many viral infections.



   
Explanation of dalton (noun)
form plural: daltons

a unit of molecular mass

Sample of dalton
One hydrogen atom weighs one dalton.



   
Explanation of gastric gland (noun)
form: no plural

gland being located in the stomach and producing hydrochloric acid

Sample of gastric gland
The gatric gland releases enzyme-producing cells which in turn produce pepsin.



   
Explanation of ciliary muscle (noun)
form plural: ciliary muscles

muscle in the eye

Sample of ciliary muscle
The ciliary muscle changes the shape of the lens.



   
Explanation of thyroxine (noun)
form: no plural

thyroxine is one of the hormones made by the thyroid gland

Sample of thyroxine
A deficiency of thyroxine may cause hypothyroidism and goiter formation.



   
Explanation of cholesterol (noun)
form plural: cholesterols

a steroid that plays an important part in metabolism

Sample of cholesterol
Cholesterol is needed to make cell membranes.



   
Explanation of scrotum (noun)
form plural: scrotums or scrota

sac that contains the testis and epididymus outside of the abdomen

Sample of scrotum
The scrotum allows sperm to be produced and stored at a lower temperature to the body.



   
Explanation of isotope (noun)
form plural: isotopes

atoms of the same element with the same number of protons, different numbers of neutrons and therefore different mass numbers

Sample of isotope
Elements are usually present naturally as a mixture of isotopes.



  Explain the words larynx, carbon dioxide, infection, dalton, gastric gland, ciliary muscle, thyroxine, cholesterol, scrotum, isotope

  Preparation book: Imaging of the Larynx

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     MCAT test: Vocabulary Words: English Nouns         MCAT test: Word games: Free Online Noun Quiz         MCAT Vocabulary: (printable version)         Meaning of larynx, carbon dioxide, infection, dalton, gastric gland, ciliary muscle, thyroxine, cholesterol