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Human Health and Disease

Short Answer Type

61. Explain the following terms :
(i) Benign tumour (ii) Malignant tumour (iii) Metastasis.

(i) Benign tumour (Non-malignant tumour). Such tumours grow slowly but become quite large and remains restricted to the place of origin and do not spread to other areas of body. .

(ii) Malignant tumour are those tumours which spread to the other body parts and do not remain confined to the place of origin.

(iii) Metastasis is the condition where cells form the tumour slough off and travel to distant parts through the blood and form tumour at those new places.

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