c39 Flashcards
what is immunology
the ways in which our bodies fight off invading organisms and infection
cells, tissues and molecules involved in defending us
immune system
resistant to infection
immune (having immunity)
disease causing agents
pathogens
SARS-CoV-2 variants have changes in their __________ to better infect us and avoid our immune system
spike proteins
early method of inducing immunity to smallpox by deliberately exposing a person to material taken from smallpox sores of an infected individuals
variolation
the process of introducing a substance, such as a vaccine or pathogen, into the body to stimulate an immune response
inoculation
who provided first human vaccine in 1885 for Rabies
Louis Pasteur
fragment of pathogen
antigen
vaccines expose us to ______ or _______
non-lethal doses of pathogen
or
antigen (fragment of pathogen)
network of vessels with lymph (fluid derived from blood plasma)
lymphatic system
largest lymph vessel, drains into the bloodstream
thoracic duct
kill bacteria but also maintain good bacteria (commensal microbes) and prevent viral infection
defensins (alpha and beta)
all cells have what MHC (major histocompatibility complex) molecules
MHC 1
peptides are presented on what
MHC molecules (major histocompatibility complex molecules)
Professional antigen presenting cells (pAPCs) present what MHC molecule
BOTH actually
immune cells enter from the blood into lymph nodes via
HEV: high endothelial venule
