Pathology Definitions

What is a disease?

An unhealthy state caused by the effects of injury

What is a Chronic Disease?

Begins slowly with signs and symptoms that are difficult to interpret.

Pathophysiology is what?

Mechanisms by which the abnormal function is expressed.

What is Pathology?

Study of changes in body structure and function as a result of disease.

What is Etiology?

The causes of disease.

What is prevalence?

The number of cases present in a given population at any one time.

What does Idiopathic mean?

Unknown Cause

Iatrogenic means?

a disease caused by medical diagnosis or treatment

What is an acute disease?

a disease that arises rapidly, that lasts for a short time.

symptom?

a manifestation of disease reported by the patient.

Sign?

a manifestation of disease see by an observer

syndrome

collection of signs and sypmptoms

incidence

frequency of a disease over a period of time in a given population

What is the formula for incidence?

number of new cases per year/ number of person in the population

Mortality

outcome of a disease is death

Morbidity

short term or long term disability due to disease. Think illness.

lesion

structural change in tissue or organ (change in morphology)

Pathogenesis means?

the sequence of events leading from causes to manifestations of the disease