A neoplasm is a disturbance of growth characterised primarily by an excessive proliferation of cells without apparent relationship to the physiological demands of the organ involved. Numerous varieties arise from all types of human tissues and the resulting tumours show marked variations in their biological behaviour. It is thus difficult to devise a simple definition of tumours that will be appropriate for all.
KeywordsAdenoma Sarcoma Medulloblastoma Teratoma Papilloma
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