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Cell death

Cell death

(Science: cell biology) cells die (nonaccidentally) either when they have completed a fixed number of division cycles (around 60, the Hayflick limit) or at some earlier stage when programmed to do so, as in digit separation in vertebrate limb morphogenesis.

Whether this is due to an accumulation of errors or a programmed limit is unclear, some transformed cells have undoubtedly escaped the limit.

See: apoptosis.


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Cell regulation/death

Yes, I think programmed cell death is what I was talking bout. The actual thing in my mind was why cells don't spread faster and invade ...

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by Mutt
Thu Nov 28, 2013 4:38 pm
 
Forum: Cell Biology
Topic: Cell regulation/death
Replies: 2
Views: 1744

Cell regulation/death

... body (e.g. making fingers on fetus), that process requires programmed cell death. The mammalian cells require growth hormones and other signals to proliferate and live. ...

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by JackBean
Thu Nov 28, 2013 12:32 pm
 
Forum: Cell Biology
Topic: Cell regulation/death
Replies: 2
Views: 1744

Cell regulation/death

Hi, I was wondering if any of you guys could give me a concrete answer for this: I want to know how the body regulates cells, I did some research of my own and I know a bit how telomeres work and that cells get the signal to die if the telomeres are gone so the DNA wouldn't get damaged, but in my be...

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by Mutt
Wed Nov 27, 2013 8:20 pm
 
Forum: Cell Biology
Topic: Cell regulation/death
Replies: 2
Views: 1744

Menopause

... is an anomalous genetic mutation as evolution favours reproduction, not cell death. Scientists are trying to cure menopause (like trying to cure Alzheimer) as it is very ...

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by Annij
Sun Nov 03, 2013 5:23 am
 
Forum: Human Biology
Topic: Menopause
Replies: 5
Views: 3631

Menopause

... is an anomalous genetic mutation as evolution favours reproduction, not cell death. Scientists are trying to cure menopause (like trying to cure Alzheimer) as it is very ...

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by Annij
Sun Nov 03, 2013 5:22 am
 
Forum: Human Biology
Topic: Menopause
Replies: 5
Views: 3631
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