A non-self substance that provokes an immune response
what is an antigen?
Without them, there would be no adaptive immune response.
In general, the bodies first line of defense.
What are barriers?
An ________ is a synthetic compound that inhibits receptors and _______ excite their target receptors.
what is an antagonist and agonist (respectively)?
steroids are produced from...
What is cholesterol?
Blocks the release of histamines.
What are antihistamines?
Develops immunocompetence in the thymus
What are T Lymphocytes?
Macrophages, neutrophils, and eosinophils all do this...
What is phagocytosis?
Intercellular hydrophilic ligands interact with receptors at ________ _____ ________?
What is the outer cell surface?
Heterotrimeric G proteins ("large" G proteins) are activated by...
What is GTP?
This lasts longer than the primary immune response.
What is the secondary immune response?
What is pores?
Specialized in attacking cancer and virus-infected cells.
What are natural killer cells?
The IP3 receptors are associated with ___ __________.
What are endoplasmic reticulum membranes?
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These two enzymes are essential to the signal transduction/cascade because they turn proteins "on and off."
What are Kinases and phosphatases (respectively)?
They do this by adding/removing what molecule??
increased capillary filtration and swelling in a localized area
what is inflammation?
How antigens are presented to T cells.
What is the major histocompatibility complex?
Stimulates a specific response from the adaptive immune response.
What are macrophages?
This receptor works in pairs, is involved in metabolism, and programed cell death.
What is Receptor Tyrosine Kinase?
This second messenger is involved in glucose mobilization.
What is cAMP?

A weak, dead, or partial pathogen is introduced into the body.
What is a vaccine?
occurs much faster than the primary immune response.
What is the secondary humoral response?
Responsible for the quickest release of histamines and causes the red itchy welts associated with allergies.
What are mast cells?
The G protein is activated by GTP at the __ ________.
What is the alpha subunit?

Blood pressure is regulated by the second messenger ____.
What is Nitric Oxide?
This is vague, but true. There is a lot of other extracellular and intracellular mechanisms contributing to the regulation of blood pressure!