_________________
____________ or proteins produced by _ _______ or ________ ____ that bind to a specific _______
Immunoglobulins
antibodies
B cell
Plasma cell
antigen
_____________
Antibodies or proteins produced by B cell or plasma cell that bind to a specific antigen
Triggered by ______________________
Part of the __________ __________ immune system
__________ Immunity
Immunoglobulins
the presence of antigens
adaptive defense
humoral
___
____ __________ secreted by ________ ___ after B cell activation when they have binded with an antigen
IgM
first antibody
plasma cells
___
Found in body secretions such as saliva, sweat, intestinal juice, milk
IgA
___
largest and multiple binding sites, Exists in monomer and pentamer forms
IgM
____
Helps stop pathogens from attaching to __________ cell surfaces including ___________ ___________ and the epidermis
IgA
epithelial
mucous membranes
___
Found on B cell surface
IgD
___
Functions as a B cell antigen receptor
IgD
___
Most abundant accounts for 75-85% of circulating antibodies
IgG
___
Protects against bacteria, viruses, and toxins circulating in blood and lymph
IgG
___
Crosses the placenta and confers passive immunity from the mother to the fetus
IgG
__
Main antibody of both secondary and late primary responses
IgG
___
____ ___ binds to _____ ____ or __________
___________ ___ binds to _________ triggering these cells to release ___________ and other chemicals that mediate inflammation and allergic reaction
IgE
stem end
mast cells
basophils
receptor end
antigens
histamines