Dictionary » M » Memory t-cell

Memory t-cell

Definition

noun

A long-lived T cell that bears receptors for an antigen during its encounter with a prior infection or vaccination.


Supplement

Memory T cells are important to the immunity of an organism against pathogens. The receptors they possess make for a rapid immune action against these foreign bodies. Upon recognition of pathogen previously encountered these cells clone themselves immediately after re-exposure.


See also: T cell


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Alzheimer's disease

... formed ones. So if they were told something about a doctor's appointment or when somebody was coming to visit they might fail to create this memory and not recall it later. Language would have been learned a long time before, and therefore would still be accessible. Which isn't to say that ...

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by Babybel56
Fri Feb 28, 2014 8:42 am
 
Forum: Human Biology
Topic: Alzheimer's disease
Replies: 2
Views: 1174

Re: Are predators always smarter than their prey?

... suppressed and escape behaviors are promoted instead (Wingfield et al. 1998). Research has shown that corticosteroids may also affect learning and memory acquisition (Thaker et al. 2010). To test this, researchers inhibited corticosterone elevation in Eastern fence lizards (Sceloporus undulatus) ...

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by Gannet
Tue Feb 25, 2014 11:43 am
 
Forum: Zoology Discussion
Topic: Are predators always smarter than their prey?
Replies: 14
Views: 9495

Alzheimer's disease

Hello, Person with Alzheimer's disease loss memory. But what about the language? . . why wont they forget their language . . like the words to speak ... ? :!:

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by vinu
Mon Feb 24, 2014 11:56 am
 
Forum: Human Biology
Topic: Alzheimer's disease
Replies: 2
Views: 1174

Re: Prenatal dream?

... is too old or even dead by now, but... I had a recurring dream for the first 40 years of my life... Finally one day, I realized that it was a MEMORY, not a dream! I was in my mother's womb, floating in darkness, but experiencing one emotion after another... They were complex emotions, not ...

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by cry4vision
Thu Feb 20, 2014 11:37 pm
 
Forum: Human Biology
Topic: Prenatal dream?
Replies: 17
Views: 14186

Does other animals have faster nerve speeds?

i was thinking, though animals do not have a long chain of thought (ie, stimulus -> brain ->memory -> action); would they have faster nerves speeds or brain speeds, if they had faster brains with low capacity; and if fast enough (relativity) then would they hear ...

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by 1832vin
Wed Feb 05, 2014 9:39 pm
 
Forum: General Discussion
Topic: Does other animals have faster nerve speeds?
Replies: 1
Views: 1469
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