Shared Flashcard Set

Details

Anatomy and Physiology
The Lymphoid System
38
Biology
Undergraduate 2
12/08/2009

Additional Biology Flashcards

 


 

Cards

Term
Functions of the lymphatic system
Definition
Immunity
Lipid absorption
fluid recovery
Term
Describe lymph
Definition
clear, colorless fluid, similar to plasma, less protein
Term
Layers of lymphatic vessels
Definition
tunica interna, tunica media, tunica externa
Term
where does the right lymphatic duct drain
Definition
right subclavian vein
Term
where does the thoracic duct drain?
Definition
left subclavian vein
Term
What is abdominal sac of the thoracic duct called?
Definition
cisterna chyli
Term
Name the four categories of lymphatic cell
Definition
NK cells, T cells, B cells, Antigen presenting cells
Term
What are the types of T cells?
Definition
Cytotoxic T cells, Helper T cells, Memory T cells, Suppressor T cells
Term
What does MALT stand for? Where is it located?
Definition
Mucosa-Associated Lymphatic Tissue. Digestive system
Term
What are the primary lymphatic organs?
Definition
The thymus and red bone marrow
Term
What are the secondary lymphatic organs?
Definition
tonsils, lymph nodes and spleen
Term
What is the only organ that filters lymph?
Definition
lymph nodes
Term
what is the term for lymph node diseases?
Definition
lymphadenopathy
Term
Where are the tonsils located? What 3 types are there?
Definition
pharynx. Palatine, pharyngeal and lingual
Term
Which type of cells are developed in the Thymus?
Definition
T cells
Term
Names 4 functions of the spleen
Definition
1. blood production in fetus
2. blood reservoir
3. RBC disposal
4. detects antigens
Term
name the non-specific defenses
Definition
physical barriers, phagocytes, immunilogical surveillance (NK cells), interferons, complement system, fever, inflammation
Term
what are the two antimicrobial proteins?
Definition
interferons and the complement system
Term
Which cells do interferons activate?
Definition
NK Cells
Term
What are the three pathways of the complement system?
Definition
classical(specific), alternate(non-specific) and lectin (non-specific)
Term
What do NK cell release?
Definition
perforins and granzymes
Term
functions of inflammation
Definition
limits spread of pathogens, destroys them
removes debris
initiates tissue repair
Term
signs of inflammation
Definition
redness, heat
swelling
pain-caused by chemicals and pressure on nerves
Term
What is the purpose of cytokines?
Definition
regulate inflammation and immunity
Term
name the 4 types of cytokines
Definition
1. interferons
2. interleukins
3. tumor necrosis factor
4. chemotactic factor
Term
what are the 3 processes of inflammation
Definition
1. mobilization of body defenses
2. contain and destroy pathogens
3. tissue clean up and repair
Term
which WBC's are quickest to repspond during injury?
Definition
neutrophils
Term
What is the primary agent of tissue cleanup?
Definition
macrophages
Term
What are the 3 main functions of fever?
Definition
1. promotes interferon activity
2. accelerates tissue repair
3. inhibits pathogen reproduction
Term
what are the stages of a fever?
Definition
onset, stadium, defervescence
Term
What are the four types of immunity?
Definition
natural active, artificial active
, natural passive, artificial passive
Term
What is natural active immunity?
Definition
Production of one's own antibodies
Term
what is natural passive immunity?
Definition
passed through placenta and milk
Term
what is artificial active immunity?
Definition
vaccinations
Term
what is artificial passive immunity?
Definition
snake bite, temporary injection of immune serum
Term
Which cells are involved in cellular-mediated immunity?
Definition
T-cells
Term
Which cells are involved in humoral immunity?
Definition
B cells-antibody mediated
Term
What are the classes of anti bodies?
Definition
IgA, Ig
Supporting users have an ad free experience!