terms Flashcards
(40 cards)
Epidemiology
the science of dealing with various factors that determine the frequencies and distribution of an infection disease
Endemic, Enzootic
refers to a disease that occurs naturally but in small numbers within a local area (rabies in PA)
epidemic, epizootic
an unusally high prevalence of a disease present in a region, which may be rapidly spreading (flu cases)
morbidity
the ratio of the number of sick animals to the total number of animals involved
mortality
the ratio of the number of dead animals to the total number of animals involved
nosocomial
an infection acquired during hospitalization (kennel cough)
serology
the study of antibodies and antigens in the blood
virulence
the disease producing power of a microorganism
agenesis, aplasia
incomplete, imperfect, or complete lack of development
hypoplasia
underdevelopment of a tissue, organ or limb
dysplasia
an abnormal development of a tissue or organ
atrophy
reduction in size of a previously normal sized organ
ecchymotic hemorrhage
a moderate area of blood accumulation usually seen under the skin (bruise)
petechia
tiny pin-point hemorrhages
vasculitis
inflammation of blood or lymph vessels
emboli
a foreign body within the blood stream
infarct
a region of dead tissue due to a complete interference with blood flow
infection
invasion and multiplication of organisms in the body
incubation
period when disease develops by multiplication of an infectious agent within a host
sub-clinical
when a disease is present without clinical signs
prodromal period
time of mild symptoms
clinical
signs of disease are present
alopecia
partial or complete hair loss
ascites
an abnormal accumulation of serious fluid in the abdomen