Genetic and Developmental diseases
Diseases caused by abnormalities in the genetic makeup of the individual or
abnormalities due to changes in
... [Show More] utero
Congenital abnormalities
Deformities present at birth
Hereditary Diseases
Results from developmental disorders genetically transmitted from either parent to
the child and are derived from ancestors
Acquired injuries and inflammatory diseases
Diseases caused by internal or external agents that destroy cells or cause the body
to injure itself by means of inflammatory process
Necrosis
Occurs when the direct effects of an injury kill the cells in the injured area
Types of inflammatory diseases
Infective diseases, toxic diseases, and allergic diseases
Hyperplasia and Neoplasia diseases
Diseases characterized by increase in cell population
Hyperplasia
A proliferative reaction to a prolonged external stimulus and usually regresses when
the stimulus is removed
Neoplasia
Presumed to result from a genetic change that produces a single population of new
cells
Functional Disease
Diseases in which the function of the organ may be impaired, but its structural
elements are unchanged
Exogenous Agents
Causative agents that are external in nature
Endogenous Agents
Agents that are internal in nature
Divisions of External Causes
Mechanical (physical), chemical, and microbiologic.
Trauma
Direct physical injury by an object
Examples of physical agents causing disease
Extreme heat and cold, electricity, atmospheric pressure, and radiation.
Chemical Injuries
An external cause. Generally divided into poisoning or drug reactions.
Infections
Microbiologic injuries classified by the type of organism
Nosocomial Infections
Infections acquired while in the hospital. Usually a UTI from catheter placement
Iatrogenic Diseases
Infections resulting from treatment by a heal professional
Divisions of Internal Causes
Vascular, immunologic, and metabolic diseases
Vascular diseases
May involve obstruction of the blood supply to an organ or tissue, bleeding, or alterd
blood flow
Myocardial Infarct [Show Less]