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MCAT Word List # MCAT/M68

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Explanation of polymer (noun)
form plural: polymers

a giant molecule made up of repeated units of monomers

Sample of polymer
Polymers can be broken down to their components by hydrolysis.



   
Explanation of knee-jerk reflex (noun)
form: no plural

reflex contraction of the quadriceps muscles leading to a sudden involutary extention of the knee

Sample of knee-jerk reflex
The knee-jerk reflex is an example for monosynaptic reflex pathways having only one synapse between the sensory neuron and the motor neuron.

Medical term knee-jerk reflex
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Explanation of endocrine system (noun)
form plural: endocrine systems

the system of ductless glands which release hormones

Sample of endocrine system
The endocrine system works closely with the nervous system.

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


   
Explanation of laceration (noun)
form plural: lacerations

a cut or break in the skin

Sample of laceration
Lacerations are caused by blunt trauma.



   
Explanation of oogenesis (noun)
form plural: oogeneses

development and maturation of an ovum

Sample of oogenesis
Oogenesis occurs in the ovarian follicles.



   
Explanation of cerebellum (noun)
form plural: cerebella

part of brain lying beneath the cerebrum which helps coordinate muscle movements

Sample of cerebellum
The cerebellum is affected by ethanol.



   
Explanation of typically (adverb)
forms: more typically; most typically; less typically; least typically

generally representative of something; usually

Sample of typically
Doctors are typically hard-working people.



   
Explanation of fibrous protein (noun)
form plural: fibrous proteins

the polypeptide chains making up this protein form straight lines

Sample of fibrous protein
Fibrous proteins often have a beta pleated secondary structure which conveys strength.

Medical term fibrous protein
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Explanation of case (noun)
form plural: cases

a single incident of a disease

Sample of case
There was a case of meningitis at the school recently.



   
Explanation of hormone (noun)
form plural: hormones

chemical secreted in small amounts from endocrine glands that passes in the bloodstream to another tissue or organ where it alters the function or structure of that organ

Sample of hormone
Hormones coordinate the growth and activities of living things.



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