Immunology
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Term used when an individual received SAME ALLELES from both parents
Homozygous
Chinese way of immunization (variolation) with smallpox
Inhalation of skin crust
Normal human has how many pairs of autosomes
22
The practice of deliberately exposing an individual to material from smallpox lesions
Variolation
Cowpox vaccine does prevent smallpox from developing. This is called
Cross-immunity
Injection of antibodies produced by ANOTHER INDIVIDUAL is an example of what immunity
Passive artificial
Normal biota means
Normal flora
Primary lymphoid organs
Thymus and bone marrow
Secondary lymphoid organs
Spleen, lymph nodes, Peyer’s patches
B cells develop in the
Bone marrow
T cells are located primarily in the _____ of the spleen
Periarteriolar sheath
Double negative thymocytes are
Immature T cells
CD that appears during 1st stage of T cell development and present as an identifying marker for T cells
CD2
CD markers found on MATURE, peripheral helper T cells
CD2, CD3, CD4
Population of T lymphocytes in the peripheral blood
60-70%
Population of B lymphocytes in the peripheral blood
10-20%
Population of NK cells in the peripheral blood
10-15%
What is the body’s general response to injury and infectious agent
Inflammation
Most important defense of the body against fungal infections
Cell-mediated immunity
Cell that stimulates transformation of B cell into plasma cell
Helper T cells
Cell that express the CD8 marker and acts to kill tumors or VIRALLY infected cells
T cytotoxic
What molecule on the surface of most T cells recognizes antigen
TcR, consisting of two chains, alpha and beta
A soluble protein mediator released by sensitized lymphocytes on contact with an antigen
Lymphokine
What are lymphokine activated killer (LAK) cells
NK cells + IL-2