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Tumour

tumour

1. (Science: oncology) An abnormal mass of tissue that results from excessive cell division that is uncontrolled and progressive, also called a neoplasm. Tumours perform no useful body function. They may be either benign (not cancerous) or malignant.

2. Swelling, one of the cardinal signs of inflammations, morbid enlargement.

Origin: L. Tumere = to swell An abnormal new mass of tissue that serves no purpose.


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Re: Re:

... evolution might favour those of us who can readily utilize these innovations; for example, evolution probably favours those who don't get a brain tumour from cell phones before they manage to have children. Or so ;) I am also quite certain that the average IQ will stay quite the same. May I hazard ...

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by canalon
Thu Apr 09, 2009 1:53 pm
 
Forum: Evolution
Topic: Future Human Evolution
Replies: 26
Views: 1808

Re:

... evolution might favour those of us who can readily utilize these innovations; for example, evolution probably favours those who don't get a brain tumour from cell phones before they manage to have children. Or so ;)

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by biohazard
Thu Apr 09, 2009 7:03 am
 
Forum: Evolution
Topic: Future Human Evolution
Replies: 26
Views: 1808

Re: how does innate immunity link to b-cell and t-cell responses

... it's destruction (usually by the action of phagocytes but thats not imporatant :) ) 2. Cellular Immunity (T-cells destroy infected body cells and tumour cells by lethal hit) B-cells and T-cells are both lymphocytes made in the bone marrow. The thymus gland is essential in the development of T-cells. ...

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by favorina
Fri Jan 30, 2009 6:55 pm
 
Forum: Cell Biology
Topic: how does innate immunity link to b-cell and t-cell responses
Replies: 1
Views: 552

A question about nerves.

... apparently have never noticed such thing. Occasionally of course some kind of disease or injury can cause similar symptoms: e.g. if there's a tumour pressing a neuron the pain can sometimes be localised elsewhere, or radiate to some other places in the body. But as long as your "symptoms" ...

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by biohazard
Mon Dec 15, 2008 1:29 pm
 
Forum: Human Biology
Topic: A question about nerves.
Replies: 1
Views: 475

can anyone work out what this exam question is asking?

Q1. a) Outline the different sources from which specimens may be obtained for the detection of primary and secondary malignant tumours. (40 marks) b) Discuss the morphological features seen in this type of diagnosis and how they relate to tumour aggressiveness. (60 marks) Its an example ...

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by katelucas84
Wed May 28, 2008 11:39 am
 
Forum: Cell Biology
Topic: can anyone work out what this exam question is asking?
Replies: 0
Views: 646
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