CANCER HANDWRITTEN NOTES FOR NEET

CANCER HANDWRITTEN NOTES FROM HUMAN HEALTH & DISEASES FOR NEET , CLASS 11 AND 12 

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NOTES INDEX - CANCER INTRODUCTION

                             TYPES OF TUMOR

                             CHARACTERSTICS OF CANCER CELLS

                             DIFFERENT STAGES OF CANCER 

                             DIFFERENCE BETWEEN CANCER CELLS AND NORMAL CELLS 

                             CARCINOGENS 

                             CANCER CAUSING AGENTS 

                             DETECTION OF CANCER

                             TREATMENT OF CANCER 

                             NEET & AIIMS PREVIOUS YEAR QUESTIONS 

CANCER IS ONE OF THE MOST DEADIEST DISEASE OF HUMAN BEINGS AND IS THE MAJOR CAUSE OF DEATH ALL OVER THE WORLD . 

IN OUR BODY CELL GROWTH AND DIFFERENTIATION IS HIGHLY CONTROLLED AND REGULATED. IN CANCER THERE IS BREAKDOWN OF THESE REGULATORY MECHANISM . 

NORMAL CELLS HAVE PROPERTY WHICH IS KNOWN AS CONTACT INHIBITION . 

THIS IS THE PROPERTY OF NORMAL CELLS BY WHICH CONTACT WITH OTHER CELLS INHIBITS THEIR UNCONTROLLED GROWTH . IN CANCER BASICALLY, THERE IS UNCONTROLLED GROWTH OF CELLS . 

CANCER CELL LOST THE PROPERTY OF CONTACT INHIBITION . 

AS A RESULT CANCEROUS CELLS CONTINUOUS TO DIVIDE AND GIVE RISE TO MASSES OF CELLS CALLED AS "TUMORS "

TUMORS ARE OF 2 TYPES NAMELY - MALIGNANT AND BENING TUMOR . 

BENING TUMOR NORMALLY REMAIN CONTINUED TO THEIR ORIGINAL SITE BUT MALINGNANT TUMOR ARE MASS OF PROLIFERATING CELLS , WHICH MOVES THROUGHOUT THE BLOOD STREAM . 

THIS PROPERTY IS TERMED AS METASTASIS . 

CAUSES OF CANCER - THERE ARE MANY CAUSE OF CANCER LIKE PHYSICAL , CHEMICAL OR BIOLOGICAL AGENTS . 

THESE AGENTS ARE CALLED AS CARCINOGENS . 

IONIZING RADIATIONS LIKE UV RAYS , X RAYS CAUSE CANCER . 

CANCER CAUSING VIRUS ARE CALLED AS ONCO VIRUS. 

CANCER CAUSING GENES ARE CALLED AS ONCOGENES . 

THERE ARE DIFFERENT WAYS TO CURE AND TREAT CANCER LIKE CHEMOTHERAPHY, RADIATION, SURGERY,MEDICATIONS etc . 

CANCER DETECTION - CANCER DETECTION IS BASED ON BIOPSY AND HISTOPATHOLOGICAL EXAMINATIONS . 

CT - SCAN ( COMPUTED - TOMOGRAPHY ) , X RAYS , MRI ( MAGNETIC RESONANCE IMAGING  ) etc ARE ALSO USED TO DIAGNOSE AND EXAMINING CANCER .

THERE ARE DIFFERENT STAGES OF CANCER HAVE BEEN SEEN .

LUNGS CANCER , MOUTH CANCER IS MOSTLY SEEN IN PERSONS WHO ARE ADDICTED TO SMOKING , TOBACO , DRUGS OR ANY ADDICTIVE SUBSTANCE. 

CANCER OF BLOOF , BONES , TISSUE , SKIN ALSO SEEN WHICH ARE VERY DANGEROUS IN SOME CASES. 

 

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TAGS - HUMAN HEALTH AND DISEASES HANDWRITTEN NOTES 

BIOLOGY NEET NOTES 

NEET BIOLOGY HANDWRITTEN FREE PDF DOWNLOAD 

AIIMS NEET 

CLASS 12 CBSE HANDWRITTEN NOTES 

CANCER HANDWRITTEN NOTES 

HANDWRITTEN NOTES FOR RBSE CLASS 12 

HANDWRITTEN NCERT BASED NOTES 

NEET CANCER HUMAN HEALTH AND DISEASES