Chapter 22 Flashcards
What part of the body does the lymphatic duct drain
The right arm and Right side of the head and thorax
What part of the body does the Thoracic duct drain
Drains most of the body except the right arm and right side of the thorax
What receives lymph drainage from the digestive system
the cisterna Chyli
What does a dendritic cells do
They break down pathogens and then present those pathogens to other body cells so that pathogen can be better identified by the body later
What is a thymocyte
a lymphocyte within the thymus gland
what is white pulp
lymphatic tissue where lymphocytes and macrophages destroy bacteria within the spleen
what is red pulp
blood filled sinuses where platelets are stored and old red blood cells are destroyed within the spleen
Where are your Palatine lingual and pharyngeal tonsils
What two chemicals does basophils release and what due they do
releases histamine which causes inflammation and heparin which reduces excessive clotting
What’s another name for a red blood cell
Erythrocyte
What do mast cells do
much like a basophil they initiate inflammation by releasing histamine and heparin
What cells have MHC 1
All body cells
Which cells have MHC 2
only APC (Antigen Presenting cells) like macrophages and dendritic cells
What type of cell does MHC 1 bind and how does it help with immunity
Binds with Cytotoxic T cells that have a matching receptor and activates them to go out and destroy other cells presenting that same antigen
What are the three ways that a cytotoxic T cells can destroy a cell
Perforin
Tc cell releases toxins that kill the cell
the Tc cell stimulates apoptosis
What type of cell does MHC 2 bind to and how does it help with immunity
Binds with helper T cells which will stimulate Tc cells but also will stimulate B cells to produce antibodies that match the antigen
What are the three things that need to happen before a T cell can be activated
The receptor on the T cell must match the antigen that is being presented
The CD8/CD4 protein has to confirm that there is a foreign antigen
Release of interleukins that confirms again there is a foreign antigen
What are the 7 types of non specific defense
Structural barrier ie skin
Mechanical defense (cilia sweeping foreign particles)
Chemical defense (stomach acid)
Natural killer cells
Interferons
Inflammation
Fever
What are the three types of lymphocytes
T lymphocytes
B lymphocytes
Natural Killer Lymphocytes
What does MALT stand for
Mucosa
Associated
Lymphoid
Tissue
What are the 5 classes of antibodies
MADGE
What does a IgG antibody do and what blood antibody do they compose
Provide specific defense against specific viruses bacteria and toxins and are what make up the Rh blood type
What do IgE antibodies do
attaches to the surface of basophils and mast cells
What do IgD cells do
found on the surface of B cells and sensitizes B cells
