Chapter 14 Flashcards
cause or origin of diseases
etiology
diseases confined to a small area of the body
local
diseases that affect a large part of the body
systemic
a local area of damage produced by disease, injury, or surgery
lesion
disease passed from parent to offspring by way of genes
hereditary
a rat that inherits a predisposition for high blood pressure
spontaneously hypertensive rat (SHR)
diseases with which the animal is born
congenital
diseases related to age that occurs gradually as the animal matures
degenerative
disease related to an insufficiency of a hormone or enzyme, thus disrupting the chemical reactions of metabolism
metabolic disease
unregulated, disorganized proliferation of cells that cause cancer
neoplasm
when a pathogen infects an animal or person
infectious disease
what are the five classifications of infectious agents?
prions, viruses, bacteria, fungi, and parasites.
how pathogenic organisms spread from one individual to another
route of transmission
infections that travel from one generation to the next, by a mother animal to her offspring
vertical transmission
infections that occur within the same generation
horizontal