Lecture 11 Flashcards
In the lymphatic system, it is composed of (5) things. The lymphatic vessels contain __________.
Lymphatic organs and tissues, red bone marrow, liver and spleen
lymph fluid
The functions of the lymphatic system is to return __________ and ________ to the _______.
Transport ________ to _________.
Protect against ______ & _______.
Nonspecific resistance is the general protection against ________ while immunity is _____________.
interstitial fluid; proteins; blood
dietary fats; adipose tissue
cancer; infection
disease; specific protection
The function of lymphatic capillaries is to _____________.
regulate fluid flow
All lymph eventually returns to the _______ and to the _________ of the heart.
Lymph returns to the ______ drainage through _____ and ____ lymphatic ducts at the junction of the ___________ and ________________.
vena cava; right side
venous; right; left; internal jugular; subclavian veins
The ___________ drains a much larger portion of the body than does the right_____________.
thoracic duct; lymphatic duct
Give a summary of the lymph Flow from smallest to largest:
Capillaries –> vessels –> trunks –> ducts
Lymphocytes are formed in ____________ and mature into 2 main types: _____ and _______.
red marrow; T cells (4 types); B cells
Macrophage _________ foreign substances and help activate _____.
Dendritic cells capture _______ and transport them to _________.
Reticular cells are similar to ________. They produce _________ (stroma) that support other cells in ___________.
phagocytize; T cells
antigens; lymph nodes
fibroblasts; reticular fibers; lymphoid organs
Lymphatic tissue contains __________. Made of ______________ tissue. Comprises most of lymphatic organs, except _______.
Diffuse __________.
Is in nearly every ______.
Have lymphoid follicles (________)
lymphocytes; reticular connective; thymus; lymphatic tissue; organ; nodules
Primary lymphatic organs is the site of _______________ (__ cell and __ cell).
lymphocyte production; B; T
Secondary lymphatic organs is the site of _______________________.
most concentrated immune responses
The circulation of lymph nodes enters the ______ through _____________.
Exits medulla by _______ and then goes to _____________.
cortex; afferent vessels
hilus; efferent vessels
Give 2 condition of the homeostasis of lymph nodes.
Buboes (swollen lymph nodes) and metastasis (cancer cells from tumor)
The _______ is the largest mass of lymphoid tissue in body. It is the site of _____________ proliferation and cleanses the ______.
2 types of pulps:
______ pulp: some __ cells mature into _______ cells. Provides ______________.
_____ pulp: _________ phagocytize bacteria, worn-out ______, and blood. Provides ____________ function.
spleen; lymphocyte; blood
White; B; plasma; immune function
Red; macrophages; RBC’s; cleansing
The thymus gland is where thymocytes produce ____________ and ___________.
thymosin; thymopoietin