Module 4: Immune-lymphatic system Flashcards
First lymphoid organ to appear
Thymus
Principal function of the thymus
Maturation of T lymphocytes
What provides cellular support in the thymus?
Reticulin
In which part of the thymus are lymphocytes produced?
Cortex
What hormone is produced in the cortex of the thymus?
Thymosin
The part of the lymph node where germinal centers are located? (where proliferation of B lymphocytes occurs)
Cortex
In what part of the lymph node does proliferation of T lymphocytes occur?
Paracortex
Structure that provides support and conveys large blood vessels to the lymph nodes and spleen
Trabeculae
Function of the trabeculae in the spleen
Provides support and conveys large blood vessels
2 main functions of the spleen
Removal of particulate matter and defective blood cells from circulating blood (red pulp)
Antibody formation against blood-borne antigens by activation of splenic B-lymphocytes (white pulp)
Where are Hassall’s corpuscles found?
In the medulla of the thymus