Ch 22: Lymphatic System Flashcards
(74 cards)
3 functions of the lymphatic system
-fluid balance
- lipid absorption
-defense
Definition of fluid balance
Drain fluid from tissues to the heart
Definition of Lipid absorption
Absorption from using lymphatic system to absorb lipids
Defense of L.S
To provide immunity for the body
Peripheral edema
Swelling in the tissues causing a blockage
Primary organs
-bone marrow
- thymas glands
Secondary organs
-tonsils
- lymph nodes
- spleen: left upper quadrant
- appendix: right lower quadrant
Where are lymphocytes found
In lymph nodes
Cite of maturation
- B-cells: in red bone marrow
- T-cells: in thymas gland
Where are T cells and B cells born
In red bone marrow
Do pre Tcells move toward thyroid glands?
No the thymas gland
3 structures containg valves
- lymphatic vessels
- heart
- veins
Where does the jugular trunk drain?
From head and neck
Where does the subclavian trunk drain?
Drains upper limbs, superficial thoracic wall, and mammory glands
Where does the broncomediastinal trunk drain?
Drained from deep thoracic organs and deep thoracic wall
Where does the right lymphatic duct drain?
Drains right side of head, right upper limb, right thorax
Where does the left thoracic duct drain?
Drains remainder of the body
Where does the right lymphatic duct drain?
Drains into the right subclavian vein
-Half side of neck, upper extremities, and right side of chest
Where does the right thoracic duct drain?
Drains into the junction of the left internal jugular vein, and left subclavian vein
Positive selection
Our body react strongly
-Nonself antigens
Negative selection
Doesn’t react strongly to for an antigen
Apoptosis
Process programmed cell death occurs
Plasma cell
-activated B cells
-Produce antibodies
Immunoglobulin
Antibodies
