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PCAT Word List # PCAT/M93

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Explanation of magnet (noun)
form plural: magnets

a substance that can attract iron or steel

Sample of magnet
Magnets have two poles.



   
Explanation of in vitro (noun)
form: no plural

referring to processes and experiments occurring outside an organism in an artificial environment

Sample of in vitro
In vitro fertilization helps couples who can not conceive.



   
Explanation of osteoblast (noun)
form plural: osteoblasts

cell that make new bone by producing collagen

Sample of osteoblast
An osteoblast is a mononucleate cell that is responsible for bone formation.



   
Explanation of oxide (noun)
form plural: oxides

compound of a nonmetallic diatomic element

Sample of oxide
Nitrous oxide is a gas at room temperature.



   
Explanation of isomerization (noun)
form: no plural

This process changes straight chain alkanes into branched chain compounds by passing them over a catalyst

Sample of isomerization
Apparently, epoxide to ketone isomerization is a fortuitous reaction of no physiological significance.



   
Explanation of flexor (noun)
form plural: flexors

muscle that allows a joint to bend

Sample of flexor
The hamstrings help the knee to flex.



   
Explanation of crista (noun)
form: plural cristae

fold in a membrane which forms a projection

Sample of crista
The cristae of the mitochondrial membrane act to increase its surface area.



   
Explanation of beta pleated sheet (noun)
form plural: beta pleated sheets

secondary structure of a protein where the polypeptide chain forms a zigzag shape

Sample of beta pleated sheet
Fibrous proteins contain a beta-pleated sheet.

Examples of beta pleated sheet
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Explanation of deoxygenated blood (noun)
form: no plural

a bodily fluid that returns from the tissues and organs to the heart via a set of vessels, called veins

Sample of deoxygenated blood
Veins carry deoxygenated blood.

Example of deoxygenated blood
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Explanation of hemorrhage (verb)
forms: hemorrhaged; hemorrhaged; hemorrhaging

to bleed (usually a large amount)

Sample of hemorrhage
Women may hemorrhage after delivering twins.



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