Cancer (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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What cancer is
What cancer is
Uncontrolled cell growth & division
What cancer forms
What cancer forms
Tumour
Benign tumour characteristics
Benign tumour characteristics
Growth confined to one place, within a membrane
Do benign tumours spread to other tissues?
Do benign tumours spread to other tissues?
No, they stay in one place
When benign tumours are dangerous
When benign tumours are dangerous
When they press on vital organs (e.g. brain)
Malignant tumour definition
Malignant tumour definition
Cancerous tumour that invades & spreads to other tissues
What metastasis is
What metastasis is
Spread of cancer cells via blood/lymphatic system
How malignant cells differ from normal cells
How malignant cells differ from normal cells
Divide more rapidly & live longer
Cancers smoking increases risk of
Cancers smoking increases risk of
Lung, mouth, bowel, stomach, cervical
Cancers obesity is linked to
Cancers obesity is linked to
Bowel, liver, kidney
Cancer UV light exposure raises risk of
Cancer UV light exposure raises risk of
Skin cancer
Cancer hepatitis B/C can lead to
Cancer hepatitis B/C can lead to
Liver cancer
Cancer HPV is associated with
Cancer HPV is associated with
Cervical cancer
Cancers BRCA1/BRCA2 genes are linked to
Cancers BRCA1/BRCA2 genes are linked to
Breast & ovarian
What secondary tumours are
What secondary tumours are
Tumours formed when cancer cells spread to other organs