About Cancer
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♥️Most dreaded diseases of human beings and major cause of death......π¦
π€Normal cells show a property called contact inhibition by virtue of which contact with other cells inhibit their uncontrolled growth cancer cells lost their property....π¦
πTHERE ARE TWO TYPES OF TUMORS-
❥︎Benign tumor - remains confined to affected organ✨
•cause little damage.
• No metastatis
❥︎Malignant tumor- They do not remain confined their initial place✨
•Cause lot of damage
•Show metastatis
πThe transformation of normal cells into cancerous cells may be induced by physical, chemical and biological agents such agents are called carcinogens.....π¦
π§‘There are oncogenic viruses which can cause cancer and some proto oncogens which under certain conditions lead to oncogenic transformations of cells......π¦
πIonising Rays; X-rays, R-rays
π Non Ionising Rays; UV Rays causes cancer......π¦
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