Lymphatic System Flashcards
System where fluid is exchanged with the blood, as well as protects body against foreign material?
Lymphatic System
Transportation of interstitial fluid to and from blood stream?
Fluid Balance
3 Functions of the lymphatic system?
- Fluid Balance
- Fat Absorption
- Defence
Fat is absorbed to the lymphatic system via?
Lacteals.
Cells in lymphatic organs that help provide immunological defense?
Lymphocytes.
State where increased interstitial fluid is left behind causing?
Edema
Swelling of the ankles and feet?
Edema
Collect and drain excess interstitial fluid and return it to venous blood before reaching the heart?
Lymphatic Vessels
What make up the lymphatic system?
- Lymph
- Lymph Vessels
- Lymphatic Organs
Fluid constituent of the lymphatic system?
Lymph
White lymph absorbed through lacteals?
Chyle.
Carries fluid in one direction from tissues to circulatory system?
Lymphatic capillaries and vessels.
Microscopic close ended tubes that form vast networks in the intercellular space.
Lymphatic Capillaries.
Lymph capillaries join to form a larger network called?
Lymphatic Vessels
Component of the lymphatic system that contain valves?
Lymphatic Vessels.
Help lymphatic vessels circulate lymph.
- Skeletal Muscle Pumps
- Contraction of Smooth Muscles in Lymph Vessel wall
- Respiratory Pump
Lymph vessels join to form this part after leaving lymph nodes?
Lymphatic Trunk
What are the lymphatic Trunks?
- Lumbar
- Bronchomediastinal
- Subclavian
- Jugular
- Intestinal
Ducts that collect lymph, and where it reenters general circulation?
Collecting Duct
Rate at which lymph reenters blood stream?
125 mL/hour
Two collecting ducts of Lymphatic system?
- Thoracic Duct
* Right Lymphatic Duct
Drains lymph into left subclavian vein.
Thoracic duct
Thoracic duct drains into?
Left Subclavian Vein
Sac like enlargement caused by the lymph vessels in front of the lumbar vertebra.
Cisterna Chyli
The right lymphatic duct drains to?
Right subclavian Vein
Shorter track of the two connection ducts in the lymphatic system?
Right Lymphatic Duct.
Enumerate the lymphatic organs?
- Lymph nodes
- Tonsils
- Spleen
- Thymus Gland
Mass of lymphatic tissue where lymph passes before entering blood and acts as a biological filter?
Lymph nodes.
Lymph enters lymph nodes through what vessel?
Afferent Vessels
Lymph exits lymph nodes through?
Efferent Vessels.
Enumerate function of lymph nodes
- Defense
* Hematopoiesis
How does lymph nodes aid in defense?
- Filtration
* Phagocytosis
What blood cells mature in lymph nodes?
Some Lymphocytes and Monocytes
3 strategically placed lymph nodes?
- Cervical Nodes
- Axillary Nodes
- Inguinal Nodes
Aggregation of lymph nodes in the wall of small intestine?
Peyer’s Patch
Alternative name for Peyer’s Patch?
Mesenteric Patches.
Lymphatic pathway
- Lymphatic capillary
- afferent lymphatic vessel
- lymph node
- efferent lymphatic vessel
- lymphatic trunk
- collecting duct
- subclavian vein
Organ located in the left upper quadrant posterior to stomach?
Spleen.
Produces red pulp and white pulp?
Spleen
Pulp which aids in the destruction of old red blood cells?
Red Pulp
Pulp which aids in the formation of lymphocytes?
White Pulp
Organ located in the anterior thorax in the manubrium.
Thymus
What type of lymphocytes mature in Thymus?
T Cells
Form a protective ring of lymphatic tissue around the oral, nasal and pharyngeal cavities?
Tonsils.
Enumerate the 3 tonsils?
- Palatine Tonsils
- Pharyngeal Tonsils
- Lingual Tonsils
Ability to destroy pathogens and resist damage from foreign substances?
Immunity
Two types of immunity?
Innate and Adaptive Immunity
Alternative name for Innate Immunity?
Nonspecific Immunity
Alternative name for adaptive Immunity?
Specific Immunity.
Type of immunity where the body recognizes and destroys foreign substance the same way each time?
Innate Immunity
Type of immunity where the body recognizes and destroys pathogen, but improves each time.
Adaptive Immunity.
Ability of immune system to recognize a particular substance?
Specificity.
Ability of the adaptive immune system to remember various encounters with a substance?
Memory
Physical barriers of innate immune system?
- Skin
- Tears, Saliva, Urine
- HCl
Process of engulfing foreign particles?
Phagocytosis
Polypeptides that interfere with the ability of a pathogen to reproduce and infect other cells?
Interferons.
Lymphocytes release interferons to combat?
Viral Infections.
Two types of inflammation?
- Local
* Systemic
Type of inflammation confined to a specific part?
Local Inflammation
A type of inflammation response distributed throughout the body.
Systemic Inflammation.
Chemicals released by neutrophils to stimulate fever?
Pyrogens.
Who release pyrogens?
Neutrophils, Microorganisms and Other Cells.
What white blood cells carry out adaptive immunity?
Lymphocytes.
lymphocytes are responsible for adaptive immunity?
- T Cells
* B Cells
Two devisions of adaptive immunity?
- Antibody Mediated Immunity
* Cell Mediated Immunity
Which cells are responsible for antibody mediated immunity?
B Cells
Which cells are responsible for cell mediated immunity?
T Cells.
4 ways to acquire adaptive immunity?
- Active Natural Immunity
- Active Artificial Immunity
- Passive Natural Immunity
- Passive Artificial Immunity
