Lymphatic System Flashcards
1
Q
components
A
- immune cells/lymphocytes
- lymph tissue
- lymphatic vessels
- lymphoid organs
2
Q
functions
A
- produce, maintain and distribute lymphocytes
- drain excess fluid and proteins from all tissues back to blood circulation
- transport fats and vitamins from gut ti liver
- remove pathogens and toxins from the lymph at lymph nodes
3
Q
lymphocytes
A
identify, attack and develop immunity to a specific pathogen
4
Q
lymphocyte functions
A
- detect pathogens
- travel into site of injury or infection
- enter and leave capillaries
5
Q
lymphocyte production
A
- lymph tissues
- lymph organs
- red bone marrow
6
Q
lymphocyte maturation
A
mature in bone marrow or thymus
7
Q
lymphoid stem cell
A
- becomes a lymphoblast
- specialises into a NK cell, B cell or T cell
8
Q
lymph
A
- means fluid
- liquid background matric CT
- contains lymphocytes and macrophages
9
Q
targets of lymph cells
A
- foreign cells
- foreign microbes
- cancer cells
10
Q
lymph flow
A
lymph flows through special tubes from tissues to venous system
11
Q
lymph node
A
filters lymph fluid
12
Q
thymus
A
site of T cell maturation
13
Q
spleen
A
removes damaged red blood cells
14
Q
tonsils
A
contains deep crypts to trap inhaled and ingested pathogens
15
Q
peyer’s patches
A
mounts immune response against ingested pathogens
