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MCAT Word List # MCAT/M99

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  Word Explanations pseudopodium, zymogen, jaw, gas-liquid chromatography (GLC), neurilemma, olfactory system, magnesium, excretion, barium, starch


   
Explanation of pseudopodium (noun)
form plural: pseudopodia

out pouches of the cytoplasm which act to help the cell with movement or phagocytosis

Sample of pseudopodium
Amoebas have pseudopodia.



   
Explanation of zymogen (noun)
form plural: zymogens

enzyme which is secreted in an inactive form and transformed in an active form under certain physiological conditions

Sample of zymogen
Pesinogen is a zymogen which is transformed in the digestive tract to the enzyme pepsin.



   
Explanation of jaw (noun)
form plural: jaws

the bones in the head that hold the teeth and help form the facial structure

Sample of jaw
The jaw includes the maxilla (the upper jaw) and the mandible (the lower jaw.)



   
Explanation of gas-liquid chromatography (GLC) (noun)
form: no plural

a sensitive method for analyzing liquid mixtures

Sample of gas-liquid chromatography (GLC)
An application of GLC is measuring the alcohol level in blood or urine.



   
Explanation of neurilemma (noun)
form plural: neurilemmas

a cellular sheath composed of Schwann cells which envelops the axons of peripheral neurons

Sample of neurilemma
The neurilemma is important in the regeneration of nerve tissue following injury.



   
Explanation of olfactory system (noun)
form: no plural

the organs of smell

Sample of olfactory system
The olfactory system is found in the head.



   
Explanation of magnesium (noun)
form: no plural

alkaline-earth metal with the chemical symbol Mg also needed as a trace element in the body

Sample of magnesium
Magnesium is needed to help muscles function.



   
Explanation of excretion (noun)
form: no plural

discharging waste products from the body

Sample of excretion
The kidneys regulate the concentration of salt and water in the blood through excretion of urine.



   
Explanation of barium (noun)
form: no plural

metallic element found only as compounds

Sample of barium
Barium is soft, white and is used to view the alimentary system in X-rays.



   
Explanation of starch (noun)
form: no plural

carbohydrate which can be found in potatoes, rice, bread and other foods

Sample of starch
Pancreatic amylase hydrolyzes starch to maltose.



  Explain the words pseudopodium, zymogen, jaw, gas-liquid chromatography (GLC), neurilemma, olfactory system, magnesium, excretion, barium, starch

  Preparation book: Jaw Reflexes of Periodontal Origin

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     MCAT practice test: Vocabulary Test: Noun Test         MCAT practice test: Online word games: Free Noun Quiz         MCAT Sample Test: (printable version)         Meaning of pseudopodium, zymogen, jaw, gas-liquid chromatography (GLC), neurilemma, olfactory system, magnesium