Introduction Flashcards
(22 cards)
Bacteria
Prokaryotes with peptidoglycan
Archea
Prokaryotes without peptidoglycan
Eukarya
All eukaryotes
Infection - definition
The state produced by the establishment of one or more pathogenic agents in or on the body of a suitable host
Types of cellular (living) microorganisms
Parasites
Protozoa
Fungi
Prokaryote
Types of acellular (non-living) microorganisms
Virus
Prion
Parasite
An organism that grows and feeds on a host to the detriment of their survival
Fungi
Can cause superficial and systemic infections
Bacteria
Unicellular cells that can reproduce quickly and compete with host cells for space and nutrition
Virus
Metabolically inert and reproduction is dependent on host machinery
Prion
Infectious, abnormally folded protein capable of causing disease
Innate IS - Barrier
Skin, epithelial surface
Adaptive IS - barrier
Lymphocyte and antibodies
Innate IS - Proteins
Complements
Adaptive IS - Proteins
Antibodies
Innate IS - Cells
Phagocytes
Adaptive IS - Cells
Lymphocytes
Endemic
An infectious disease that exists permanently in a particular region or population
Epidemic
An outbreak of infectious disease spread to many people
Pandemic
When an epidemic spreads throughout the world