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Nature and Origin of disease (Exposure to (Infection (Inflammation (Causes…
Nature and Origin of disease
Genetics
Cytogenetic
Meaning
Related to Abnormal Chromosomal Number
Examples
Downs Syndrome
Or Genetic Deformity
Example
Cystic Fibrosis
Diabetes Mellitus
Cancer
BRACA I and BRACA II
Genetic Disease
Obvious at Birth
Congenital Disease
May be related to
Disease during Pregrancy
Examples
Foetal Alcohol Syndrome
Cerebral Palsy
Purely Genetic
Example
Anencephaly
No brain
Non-Obvious at Birth
Exposure to
Physical factors
Chemical Agents
Infection
Meaning
Body or tissue invaded by micro-organism
Results
Causes Injuries Via
Production of Toxins
Viruses Killing Cells
Prions Causing production of Abnormal Proteins
Abnormal Proteins Kill cells and Tissue
Inflammation
An
immune response
to Irritation or Injury
Causes
Injury and cell death as part of process
Immune Diseases
Deficiency's
Nutritional
Oxygen
Ageing
Cancer