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MCAT Word List # MCAT/M119

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Explanation of hair (noun)
form plural: hairs

skin appendage; epidermal outgrowth

Sample of hair
Hair helps insulate the body.



   
Explanation of gonadotrophin (noun)
form plural: gonadotrophins

hormone made in and released from the pituitary gland that act on the gonads (sex organs)

Sample of gonadotrophin
FSH is an example of a gonadotrophin.



   
Explanation of excitation threshold (noun)
form: no plural

this is the amount of stimulus needed to set up an action potential in a nerve cell

Sample of excitation threshold
A nervous response is triggered when the excitation threshold is reached.

Medical term excitation threshold
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Explanation of vein (noun)
form plural: veins

a blood vessel that carries blood from the tissues to the heart

Sample of vein
A vein carries deoxygenated blood.



   
Explanation of dicotyledon (noun)
form plural: dicotyledons

a plant that has two cotyledons (seed leaves)

Sample of dicotyledon
Many trees are dicotyledons.



   
Explanation of induction (noun)
form plural: inductions

process in embryology by which one part of an embry causes the change of tissue

Sample of induction
Induction is often influenced by chemical substances.



   
Explanation of cut (noun)
form plural: cuts

a break in the surface of the skin; a laceration

Sample of cut
First aid for cuts is to stop the bleeding and try to prevent infection before it is repaired.



   
Explanation of transition state (noun)
form plural: transition states

the state of the reacting particles when they are at the top of

Sample of transition state
Transition states only exist very briefly and can not be measured.

Medical term transition state
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Explanation of elongation (noun)
form: no plural

process in polypeptide synthesis of increasing in length

Sample of elongation
Elongation is an engery-requiring stage of the polypeptide synthesis being mediated by enzymes.



   
Explanation of benzene (noun)
form: no plural

a colorless petroleum product that has a benzene ring

Sample of benzene
Benzene is used to make detergents, fuels and insecticides.



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