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PCAT Word List # PCAT/M12

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  Word Explanations sinus, underweight, myelin sheath, acid rain, molecular, tricuspid, microbody, persist, delay, anterior


   
Explanation of sinus (noun)
form plural: sinuses

air spaces in the skull; pathological cavity containing pus

Sample of sinus
Whenever I catch a cold my sinuses hurt.



   
Explanation of underweight (adjective)
forms: more underweight; most underweight; the most underweight

scraggy; scrawny; skinny

Sample of underweight
An underweight person has a low body mass index.



   
Explanation of myelin sheath (noun)
form: no plural

this is a layer of Schwann cells which covers the nerve axon

Sample of myelin sheath
The myelin sheath is an electrical insulator.



   
Explanation of acid rain (noun)
form: no plural

low pH precipitation due to dissolved sulphur dioxide and nitrogen oxides

Sample of acid rain
Acid rain is a type of pollution which has increased because of industrial processes.



   
Explanation of molecular (adjective)
forms: more molecular; most molecular; the most molecular

composed of tiny particles

Sample of molecular
The molecular formula of salt is NaCl.



   
Explanation of tricuspid (adjective)
having three parts

Sample of tricuspid
The tricuspid valve lies between the right atrium and the right ventricle.



   
Explanation of microbody (noun)
form plural: microbodies

membranous vesicle that contains enzymes

Sample of microbody
A peroxisome is an example of a microbody.



   
Explanation of persist (verb)
forms: persisted; persisted; persisting

to continue

Sample of persist
In spite of various difficulties over these early broadcasts and the general absence of supplementary printed material for class use, together with some antipathy towards this innovatory form of teaching, the Cambridge branch persisted with radio programmes into 1929.



   
Explanation of delay (noun)
form plural: delays

a hold-up; a postponement

Sample of delay
There's been an accident on the freeway; so there may be a long delay unless we change our route.



   
Explanation of anterior (noun)
form plural: anteriors

front tooth

Sample of anterior
At the anterior end of the embryo where the brain will form the folds are well separated with a broad area between them, but the folds run close together towards the rear end.



  Explain the words sinus, underweight, myelin sheath, acid rain, molecular, tricuspid, microbody, persist, delay, anterior

  Preparation book: Dural Cavernous Sinus Fistulas: Diagnosis

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     PCAT preparation test: Vocabulary Exercise: Noun Adjective Verb Vocabulary List         PCAT exam test: Word games online: Free Nouns Adjectives Verbs Game         PCAT Practice: (printable version)         Meaning of sinus, underweight, myelin sheath, acid rain, molecular, tricuspid, microbody, persist