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MCAT Word List # MCAT/M86

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Explanation of Schwann cell (noun)
form plural: Schwann cells

cell that twists around the nerve axon to form the myelin sheaf

Sample of Schwann cell
Between adjacent Schwann cells there are gaps called nodes of Ranvier.



   
Explanation of blood gas (noun)
form plural: blood gases

any gas that is found dissolved in blood (mainly oxygen or carbon dioxide)

Sample of blood gas
It is common to measure the arterial blood gases of a patient who is very unwell.



   
Explanation of microfilaments (noun)
form: only plural

fibers located throughout the cytoplasm of a cell

Sample of microfilaments
Microfilaments are involved in muscle contraction in which they are moved by actin and myosin.



   
Explanation of puberty (noun)
form: no plural

the developmental stage between childhood and adulthood where full sexual maturity is reached

Sample of puberty
Puberty is a time of great physiological and anatomical changes.



   
Explanation of sternum (noun)
form: no plural

a flat bone at the front of the chest that closes the thorax

Sample of sternum
The sternum connects to 7 of the ribs.



   
Explanation of ligament (noun)
form plural: ligaments

tissue connecting bones at a joint

Sample of ligament
Ligaments support and strengthen bones.



   
Explanation of botulism (noun)
form: no plural

form of food poisoning caused by the botulinum toxin which attacks the nervous system

Sample of botulism
Botulism can be fatal.



   
Explanation of soluble (adjective)
forms: more soluble; most soluble; less soluble; least soluble

able to dissolve

Sample of soluble
Sugar is soluble in water.



   
Explanation of hypochondria (noun)
form plural: hypochondrias

condition where a healthy person worries excessively that they are ill

Sample of hypochondria
Hypochondria may be difficult to treat.



   
Explanation of divide (verb)
forms: divided; divided; dividing

to split; separate

Sample of divide
The cell divides during mitosis or meiosis.



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