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Difference between revisions of "Carrier"

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[[Carrier]]
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'''Definition'''
  
1. (Science: [[genetics]], microbiology) An [[individual]] who [[does]] not [[display]] the [[symptoms]] of a [[disease]], but [[harbors]] the [[pathogen]] which [[causes]] it, or has the [[gene]] (or genes) for it, and can [[transmit]] the [[disease]] to others either through interacting with other [[individuals]], or by passing the [[disease]]-causing [[gene]] (or genes) to offspring.
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''noun, plural: carriers''
  
2. (Science: pharmacology) a [[substance]] which [[transports]] things, such as a [[carrier protein]].
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(general)  
A [[radio wave]] that can be modulated in [[order]] to [[transmit]] a signal.A [[person]] who has some [[pathogen]] to which he is [[immune]] but who can [[pass]] it on to others.Someone whose [[employment]] [[involves]] carrying something; ''the [[bonds]] were [[transmitted]] by carrier''.An [[inactive]] [[substance]] that is a [[vehicle]] for a [[radioactive]] [[tracer]] of the same [[substance]] and that [[assists]] in its [[recovery]] after some [[chemical]] reaction.Pertaining to an [[organism]] that contains a [[genetic]] [[mutation]] which inherits [[disease]], but [[does]] not [[express]] this [[phenotype]] due to the presence of a more [[dominant gene]].
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<br>A [[person]] or [[object]] that transports or conveys.
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([[immunology]])
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<br>An [[asymptomatic]] person or [[animal]] harboring the [[pathogen]], and acts as a [[vector]] transmitting the [[pathogen]] to others.
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([[genetics]]) <br>
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(1) A [[heterozygous]] individual bearing an [[unexpressed]] [[defective]] [[gene]].
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(2) An [[organism]] possessing a [[recessive]] [[gene]] for a [[trait]], hence, not expressing the [[trait]].
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([[chemistry]]) <br>
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A catalytic [[substance]] that serves as a [[vehicle]] for an [[element]] or group of [[atoms]] from one [[compound]] to another.
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'''Supplement'''
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([[genetics]]) A ''genetic carrier'' pertains to an [[organism]] carrying an unexpressed defective [[gene]] for a [[recessive]] [[trait]] but when mated with another carrier can produce a [[homozygous]] [[offspring]] that expresses the [[recessive]] [[trait]].
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''Word origin:'' to [[carry]] + -''er''.
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''Related terms:''
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* [[lactose carrier protein]]
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* [[electron carriers]]

Latest revision as of 00:19, 29 November 2008

Definition

noun, plural: carriers

(general)
A person or object that transports or conveys.

(immunology)
An asymptomatic person or animal harboring the pathogen, and acts as a vector transmitting the pathogen to others.

(genetics)
(1) A heterozygous individual bearing an unexpressed defective gene.

(2) An organism possessing a recessive gene for a trait, hence, not expressing the trait.

(chemistry)
A catalytic substance that serves as a vehicle for an element or group of atoms from one compound to another.


Supplement

(genetics) A genetic carrier pertains to an organism carrying an unexpressed defective gene for a recessive trait but when mated with another carrier can produce a homozygous offspring that expresses the recessive trait.


Word origin: to carry + -er.

Related terms: