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MCAT Word List # MCAT/M85

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Explanation of blockage (noun)
form plural: blockages

an obstacle that prevents things from moving along

Sample of blockage
Atherosclerosis causes a blockage to blood flow in important arteries.



   
Explanation of adrenal glands (noun)
form: only plural

endocrine glands above kidney

Sample of adrenal glands
The adrenal glands produce adrenaline and steroid hormones.



   
Explanation of crustacean (noun)
form plural: crustaceans

arthropod that lives in water and is characterised by a hard shell, segmented body and jointed limbs

Sample of crustacean
An example of a crustacean is a crab.



   
Explanation of binary fission (noun)
form: no plural

type of asexual reproduction which leads to splitting of parental cells in two equal parts

Sample of binary fission
Prokaryotes use binary fission as the primary process of cell division involving the replication of a single DNA molecule and the seperation of both the original and replicated DNA molecules in different cells.



   
Explanation of sympathetic nervous system (noun)
form: no plural

one of the two parts of the autonomic nervous system

Sample of sympathetic nervous system
Nor adrenaline is a neurotransmitter of the sympathetic nervous system.

Medical term sympathetic nervous system
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Explanation of X-rays (noun)
form: no plural

electromagnetic radiation of short wavelength that can penetrate opaque matter and are useful in diagnosis (radiography) and radiation treatment (radiotherapy)

Sample of X-rays
X-rays are a useful diagnostic tool.



   
Explanation of trachea (noun)
form: no plural

'windpipe'; cartilaginous tube that connects the larynx to the bronchi

Sample of trachea
The trachea is usually between 10 and 12 centimetres long.



   
Explanation of tympanum (noun)
form plural: tympana

the middle ear (tympanic cavity) and the eardrum (tympanic membrane)

Sample of tympanum
The external ear collects soundwaves and sends them to the tympanum.



   
Explanation of gait (noun)
form plural: gaits

a way of walking

Sample of gait
Parkinson's disease affects the gait.



   
Explanation of sodium (noun)
form: no plural

chemical element with the symbol Na that is an important ion in cells

Sample of sodium
Sodium has a role in fluid balance, nerve conduction and muscle contraction.



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