What is a tumour?
A growth of abnormal cells formed by uncontrolled cell division.
AQA GCSE Combined Science: Trilogy (8464) — Biology — Higher · 4.2.2.7
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What is a tumour?
A growth of abnormal cells formed by uncontrolled cell division.
What are the defining features of a benign tumour?
It remains contained in one area, usually within a membrane, and does not invade other parts of the body.
What is a malignant tumour?
A cancer whose cells invade neighbouring tissues.
What is metastasis?
The spread of cancer cells through the blood to other parts of the body, where they form secondary tumours.