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Flashcards in clin med 3: pathology terms Deck (44):
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Epidemiology

Science of dealing with various factors that determine frequencies and distribution of an infectious disease

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Epidemic, epizootic

Unusually high prevalence of a disease present in a region which may rapidly spread

2

Endemic, enzootic

Disease that occurs naturally but in small numbers within a local area

3

Morbidity

Ratio of the number of sick animals to total number of animals involved

4

Mortality

Ratio of the number of dead animals to the total number of animals involved

5

Nosocomial

An infection acquired during hospitalization

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Pathognomonic

A characteristic of a disease that distinguishes it from other diseases

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Serology

Study/detection of antibodies or antigen in the blood/serum

8

Virulence

Disease producing power of a microorganism

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Agenesis, aplasia

Incomplete, imperfect, or complete lack of development

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Hypoplasia

Underdevelopment of a tissue, organ, or limbs

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Dysplasia

Abnormal development of a tissue or organ

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Atrophy

Reduction in size of a previously normal sized organ

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Ecchymotic hemorrhage

Moderate area of blood accumulation usually seen under the skin (a bruise)

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Petechia

Tiny pin point hemorrhages

15

Vasculitis

Inflammation of blood or lymph vessels

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Emboli

A foreign body within the blood stream

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Infarct

Region of dead tissue due to a complete interference with blood flow

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Infection

Invasion and multiplication of organisms in the body

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Incubation

Period when disease develops by multiplication of an infectious agent within a host

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Sub-clinical

When a disease is present without clinical signs

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Prodromal period

Time of mild symptoms

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Clinical

Signs of disease are present

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Alopecia

Partial or complete loss of hair

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Ascites

Abnormal accumulation of serous (watery) fluid in the abdominal cavity

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Caseous

Cheese like exudate a

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Emphysematous

Pertaining to an accumulation of air within tissues

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Erosion, ulceration

Loss of surface tissue due to inflammation or trauma

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Exudate

Discharge from the body

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Fetid

Having a foul odor

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Hydrothorax

Excessive collection of serous fluid in the thoracic cavity

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Lipidosis

Fatty accumulation within a tissue or organ resulting in interference of function

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Lesion

Alteration from normal in structure or function resulting from injury or disease

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Lesion

Alteration from normal in structure or function resulting from injury or disease

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Lymphadenopathy

Enlargement of the lymph nodes

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Microencephaly

Having a smaller than normal brain

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Mucopurulent

Creamy exudates consisting of mucus and cells

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Necrotic

Refers to dead cells of tissue in contact with living cells

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Polyarticular

Affecting many joints

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Purulent

Pus

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Septicemic

Complete systemic involvement of an infectious disease, when a microorganism and its products are throughout the bloodstream

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Splenomegaly

Enlargement of the spleen

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Vesicle

Superficial cavity filled with fluid elevated above the surface of the tissue or organ (blister)

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Viscera

Internal organs of the trunk of the body