Introduction to human disease

• Disease is a change in structure or function that is considered abnormal; any change from normal.
• Homeostasis is the state of sameness or normalcy that the body strives to maintain.
• Disorder is derangement or abnormality of function.
• a syndrome is a group of symptoms that may be caused by a specific disease but also may be caused by several interrelated problems.
• Pathogens are microorganisms or agents that cause disease.
• Pathologic is caused by a pathogen or disease; a type of fracture caused by weakness from another disease.
• pathogenesis is a description of how a particular disease progresses.
• Genesis: arising
• Acute: disease that is short term
• chronic: a disease that persists for a long time.
• Etiology is the study of cause or the cause of a disease.
• Idiopathic is an unknown cause of disease.
• Iatrogenic is a problem arising due to or related to a prescribed treatment.
• Nosocomial is a disease acquired from the hospital environment.
• Predisposing factors aka risk factors, make a person more susceptible to disease.
• prevalent: occurring more often