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List and describe 4 main functions of lymphatic system.
- 1. recycling fluids lost from cardio system
- 2. transporting pathogens to the lymph nodes to be destroyed
- 3. storage and maturation of some WBC
- 4. absorbtion of glycerol and fatty acids from foods
Describe lymph capillaries
carries lymph around the body
fluid from interstitial spaces. contains WBC
Describe lymphatic vessels
similar to veins. lymph capillaries empty into lymphatic vessels
Describe lymph nodes
small pieces of lymphoid tissue located along lymphatic vessels. nodes filter and destroy pathogens.
What are 2 functions of the spleen?
- 1. removes and destroys old, damaged RBC
- 2. filters pathogens from the bloodstream
What role does the thymus play in the immune system?
fights infections. produces lymphocytes that mature into a type of WBC (T-lymphocytes). large in children.
What is an antigen?
cell fingerprint. molecules on the outer surface of membranes that can be used to identify each other.
Describe innate immunity.
immunity we are born with.
Give 3 examples of leukocytes.
- 1. neutrophils
- 2. eosinophils
- 3. basophils
- 4. monocytes
- 5. lymphocytes
What does a Helper T cell do?
ACTIVATES other parts of adaptive immunity
What does a Regulatory T cell do?
REGULATES immune response.
What does a Memory T cell do?
REMEMBERS pathogens after exposure.
What is a cytokine?
proteins produced by damaged tissues and WBC that stimulate immune response
What is interferon?
warns other cells. a cytokine produced by cells that have been infected by a virus.
What is tumor necrosis factor? (TNF)
causes cell death. stimulates macrophages.
swelling, pain, heat, redness
What is difference between immunodeficiency disorder and an autoimmune disorder?
- immunodeficiency is underactive immune system.
- autoimmune attacks itself.
What is pathogen?
disease causing agent.
List 5 major locations for lymph nodes.
- 1. cervical
- 2. axillary
- 3. inguinal
- 4. pelvic
- 5. abdominal
- 6. popliteal
Cancer that has entered lymph nodes is in this stage.
The thoracic duct of the lymphatic system empties into this blood vessel.
left subclavian vein.
What is lymphatic facilitation? (LF)
light massage techniques to remove excess fluid
What is complete decongestive therapy? (CDT)
compression bandages, skin care, exercise, manual lymphatic drainage (MLD)
What is homeostasis?
balanced internal environment
What are the initial terminal lymph vessels?
entry point for metabolic waste, protein, and cell fluid
What is the cysterna chyli and where is it located?
collecting duct for lymph. deep in abdomen.
What is the terminus and where is it located?
catchment for lymph nodes. under clavicle.
What is the primary function of the lymph nodes?
- 1. remove non-organic material
- 2. collect lymph
What is the watershed?
superficial drainage patterns in different areas of the body
What are 5 contraindications for LF?
- 1. thrombosis
- 2. major heart problems
- 3. lymphedema
- 4. infection
- 5. blood clots (embolism)
What are 5 attributes of LF?
- 1. light
- 2. rhythmic
- 3. slow
- 4. toward lymph flow
- 5. stretch and release
What are the three steps to giving a body wrap?
- 1. exfoliate
- 2. product
- 3. hydrate
List 3 contraindications to body wraps.
- 1. phobia
- 2. pregnancy
- 3. cuts and abrasions
- 4. allergies
- 5. high blood pressure
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