English Dictionary

DEPOLARIZATION

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 Dictionary entry overview: What does depolarization mean? 

DEPOLARIZATION (noun)
  The noun DEPOLARIZATION has 1 sense:

1. a loss of polarity or polarizationplay

  Familiarity information: DEPOLARIZATION used as a noun is very rare.


 Dictionary entry details 


DEPOLARIZATION (noun)


Sense 1

Meaning:

A loss of polarity or polarization

Classified under:

Nouns denoting natural phenomena

Synonyms:

depolarisation; depolarization

Hypernyms ("depolarization" is a kind of...):

change (the result of alteration or modification)

Derivation:

depolarize (eliminate the polarization of)


 Context examples 


In addition this agent inhibits the pentose phosphate pathway (PPP) thereby dilating blood vessels pre-contracted by partial depolarization.

(Epiandrosterone, NCI Thesaurus)

It also decreases phase 4 slope and increases the depolarization threshold.

(Flecainide, NCI Thesaurus)

The transcription factor CREB binds the cyclic AMP response element (CRE) and activates transcription in response to a variety of extracellular signals including neurotransmitters, hormones, membrane depolarization, and growth and neurotrophic factors.

(CREB Activation Signaling Pathway, NCI Thesaurus/BIOCARTA)

Failure of pacemaker to detect appropriate cardiac depolarizations.

(Cardiac Pacemaker Undersensing, NCI Thesaurus)

Inappropriate pacemaker detection of electrical signals not related to cardiac depolarization of the lead chamber.

(Cardiac Pacemaker Oversensing, NCI Thesaurus)

It also appears to slow the rates of depolarization and repolarization of muscle cell membranes.

(Guanidine Hydrochloride, NCI Thesaurus)

Issue associated with the amount of output energy needed to cause cardiac depolarization being higher than expected/desired.

(High Capture Threshold Medical Device Problem, Food and Drug Administration)

In addition, this agent inhibits glutamate induced nerve depolarization and depresses voltage-activated calcium currents.

(Pentobarbital Sodium, NCI Thesaurus)

In addition, this agent inhibits glutamate induced depolarization.

(Phenobarbital, NCI Thesaurus)

The initial portion of the P wave is largely a reflection of right atrial depolarization and the terminal portion reflects depolarization of the left atrium.

(P Wave, NCI Thesaurus)



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