Unit VI Flashcards
(211 cards)
Network of cells, tissues, organs that work together to defend body aganst attacks by foreign invaders
immune system
altered adverse reactoin to foreign substance that doesnt normally cause reaction
allergy
genetic trait predisposing for localized anaphylaxis
atopy
substance that induces formation of antibodies when introduced into body
antigen
most antigens are composed of
protein
what are the four ways antigens can enter the body
ingestion, inhalation, injection, absorption
substance synthesized by B lymphocytes in response to presence of specfic antigen
antibody
antibodies are a class of proteins known as
immunogloblins
where are lymphocytes produced
bone marrow
B lymphocytes are found in the
bone marrow & produce antibodies
t lymphocytes move from where
bone marrow to thymus
Humoral immunity
is extracellular body fluid
primary immune response is noted when
4-8 days after initial exposure to antigen
can cross the placenta, provides newborn with passive immunity for at least 3 months
IgG
first type of antibody formed, primary immune response (can kill bacteria)
IgM
protects against infection in intestines & respiratory tract, lines mucus membranes
IgA
assist in differentiation of B lymphocytes
IgD
causes symptoms of allergic reations
IgE
loss of hair
alopecia
an abnormal or allergiv reaction to an antigen antibody formation
hypersensitivity reaction
the body fails to recoginze self-proteins and reacts against its own proteins
autoimmune disease
loss of appetite
anorexia
a medicine that prevents or controls vomiting or nausea
antiemetic
a drug that kills or blocks the growth and or spread of cancer cells
antineoplastic (chemo)