Lymphoid Organs and Functions
What are the four organs that contribute to lymphatic function?
What structures are included in the first line of defense in immunity?
The skin, secretions of the body, and stomach mucosa.
Igm
white matter of brain and spinal cord are destroyed
mulitple sclerosis
what kinds of cells recruit other cells to fight invaders?
This organ acts as a blood reservoir and forms blood cells in the fetus
the spleen
What structures are part of the second line of defense?
Defensive Cells, Antimicrobial Chemicals, Inflammatory Response, Fever
found in mucus
IgA
impairs communication between Nerves and skeletal muscles
myasthenia gravis
What are the two semi-independent parts of the lymphatic system?
Lymphatic Vessels, Lymphoid tissues and Organs
This organ functions at peak levels during childhood and produces thymosin
the thymus
What are the parts of the third line of defense
IgD
destroys pancreatic beta cells
juvenille diabetes
What is excess tissue fluid that is carried by lymphatic vessels called?
lymph
These are found in the walls of the small intestine and capture and destroy bacteria
Peyers patches
What are the two kinds of immunity?
Passive, Active
Can Cross placental barrier
affects kidney, heart, lung, skin
Lupus
This is a group of at least 20 plasma proteins that are activated when they encounter and attach to cells
complement
These are small masses of lymphoid tissue around the pharynx
tonsils
What are 2 kinds of cells involved in immunity
Lymphocytes, Macrophages
Involved in Allergies
IgE
destroys the joints
rheumatoid arthritis
Which organ is not poorly developed before birth?
Thymus